diff --git a/public/components/Main/__snapshots__/main.test.tsx.snap b/public/components/Main/__snapshots__/main.test.tsx.snap
index 28210dc2..29d848bc 100644
--- a/public/components/Main/__snapshots__/main.test.tsx.snap
+++ b/public/components/Main/__snapshots__/main.test.tsx.snap
@@ -26,7 +26,7 @@ exports[`<Main /> spec click clear button 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -237,20 +237,31 @@ exports[`<Main /> spec click clear button 1`] = `
               class="euiSpacer euiSpacer--l"
             />
             <div
-              class="euiText euiText--medium euiTreeView__wrapper"
-            >
-              <p
-                class="euiScreenReaderOnly"
-                id="some_html_id--instruction"
-              >
-                You can quickly navigate this list using arrow keys.
-              </p>
-              <ul
-                aria-describedby="some_html_id--instruction"
-                aria-label="Sample Folder Tree"
-                class="euiTreeView"
-                id="some_html_id"
+              class="euiEmptyPrompt"
+            >
+              <svg
+                aria-hidden="true"
+                class="euiIcon euiIcon--xxLarge euiIcon--danger"
+                focusable="false"
+                height="16"
+                role="img"
+                viewBox="0 0 16 16"
+                width="16"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  d="M7.59 10.059 7.35 5.18h1.3L8.4 10.06h-.81Zm.394 1.901a.61.61 0 0 1-.448-.186.606.606 0 0 1-.186-.444c0-.174.062-.323.186-.446a.614.614 0 0 1 .448-.184c.169 0 .315.06.44.182.124.122.186.27.186.448a.6.6 0 0 1-.189.446.607.607 0 0 1-.437.184ZM2 14a1 1 0 0 1-.878-1.479l6-11a1 1 0 0 1 1.756 0l6 11A1 1 0 0 1 14 14H2Zm0-1h12L8 2 2 13Z"
+                  fill-rule="evenodd"
+                />
+              </svg>
+              <div
+                class="euiSpacer euiSpacer--m"
               />
+              <h2
+                class="euiTitle euiTitle--medium"
+              >
+                Error loading Datasources
+              </h2>
             </div>
             <div
               class="euiSpacer euiSpacer--l"
@@ -550,7 +561,7 @@ exports[`<Main /> spec click run button, and response causes an error 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -761,20 +772,31 @@ exports[`<Main /> spec click run button, and response causes an error 1`] = `
               class="euiSpacer euiSpacer--l"
             />
             <div
-              class="euiText euiText--medium euiTreeView__wrapper"
-            >
-              <p
-                class="euiScreenReaderOnly"
-                id="some_html_id--instruction"
-              >
-                You can quickly navigate this list using arrow keys.
-              </p>
-              <ul
-                aria-describedby="some_html_id--instruction"
-                aria-label="Sample Folder Tree"
-                class="euiTreeView"
-                id="some_html_id"
+              class="euiEmptyPrompt"
+            >
+              <svg
+                aria-hidden="true"
+                class="euiIcon euiIcon--xxLarge euiIcon--danger"
+                focusable="false"
+                height="16"
+                role="img"
+                viewBox="0 0 16 16"
+                width="16"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  d="M7.59 10.059 7.35 5.18h1.3L8.4 10.06h-.81Zm.394 1.901a.61.61 0 0 1-.448-.186.606.606 0 0 1-.186-.444c0-.174.062-.323.186-.446a.614.614 0 0 1 .448-.184c.169 0 .315.06.44.182.124.122.186.27.186.448a.6.6 0 0 1-.189.446.607.607 0 0 1-.437.184ZM2 14a1 1 0 0 1-.878-1.479l6-11a1 1 0 0 1 1.756 0l6 11A1 1 0 0 1 14 14H2Zm0-1h12L8 2 2 13Z"
+                  fill-rule="evenodd"
+                />
+              </svg>
+              <div
+                class="euiSpacer euiSpacer--m"
               />
+              <h2
+                class="euiTitle euiTitle--medium"
+              >
+                Error loading Datasources
+              </h2>
             </div>
             <div
               class="euiSpacer euiSpacer--l"
@@ -1074,7 +1096,7 @@ exports[`<Main /> spec click run button, and response is not ok 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -1285,20 +1307,31 @@ exports[`<Main /> spec click run button, and response is not ok 1`] = `
               class="euiSpacer euiSpacer--l"
             />
             <div
-              class="euiText euiText--medium euiTreeView__wrapper"
-            >
-              <p
-                class="euiScreenReaderOnly"
-                id="some_html_id--instruction"
-              >
-                You can quickly navigate this list using arrow keys.
-              </p>
-              <ul
-                aria-describedby="some_html_id--instruction"
-                aria-label="Sample Folder Tree"
-                class="euiTreeView"
-                id="some_html_id"
+              class="euiEmptyPrompt"
+            >
+              <svg
+                aria-hidden="true"
+                class="euiIcon euiIcon--xxLarge euiIcon--danger"
+                focusable="false"
+                height="16"
+                role="img"
+                viewBox="0 0 16 16"
+                width="16"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  d="M7.59 10.059 7.35 5.18h1.3L8.4 10.06h-.81Zm.394 1.901a.61.61 0 0 1-.448-.186.606.606 0 0 1-.186-.444c0-.174.062-.323.186-.446a.614.614 0 0 1 .448-.184c.169 0 .315.06.44.182.124.122.186.27.186.448a.6.6 0 0 1-.189.446.607.607 0 0 1-.437.184ZM2 14a1 1 0 0 1-.878-1.479l6-11a1 1 0 0 1 1.756 0l6 11A1 1 0 0 1 14 14H2Zm0-1h12L8 2 2 13Z"
+                  fill-rule="evenodd"
+                />
+              </svg>
+              <div
+                class="euiSpacer euiSpacer--m"
               />
+              <h2
+                class="euiTitle euiTitle--medium"
+              >
+                Error loading Datasources
+              </h2>
             </div>
             <div
               class="euiSpacer euiSpacer--l"
@@ -1598,7 +1631,7 @@ exports[`<Main /> spec click run button, and response is ok 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -1838,14 +1871,18 @@ exports[`<Main /> spec click run button, and response is ok 1`] = `
                     >
                       <svg
                         aria-hidden="true"
-                        class="euiIcon euiIcon--medium euiIcon-isLoading"
+                        class="euiIcon euiIcon--medium"
                         focusable="false"
                         height="16"
                         role="img"
                         viewBox="0 0 16 16"
                         width="16"
                         xmlns="http://www.w3.org/2000/svg"
-                      />
+                      >
+                        <path
+                          d="M2 12h12v-1.97c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97V12Zm-1 0V3c0-1.105 3.134-2 7-2s7 .895 7 2v9c0 1.105-3.134 2-7 2s-7-.895-7-2Zm1-3h12V7.03c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97V9Zm0-4.97V6h12V4.03c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97Zm10.675-1.483C11.467 2.202 9.795 2 8 2c-1.794 0-3.467.202-4.675.547-.492.14-.88.298-1.136.453.256.155.644.312 1.136.453C4.533 3.798 6.205 4 8 4c1.794 0 3.467-.202 4.675-.547.492-.14.88-.298 1.136-.453-.256-.155-.644-.312-1.136-.453ZM2 6c.257.155.833.312 1.325.453C4.533 6.798 6.205 7 8 7c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Zm0 3c.257.155.833.312 1.325.453C4.533 9.798 6.205 10 8 10c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Zm0 3c.257.155.833.312 1.325.453C4.533 12.798 6.205 13 8 13c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Z"
+                        />
+                      </svg>
                     </span>
                     <span
                       class="euiTreeView__nodeLabel"
@@ -1872,14 +1909,18 @@ exports[`<Main /> spec click run button, and response is ok 1`] = `
                     >
                       <svg
                         aria-hidden="true"
-                        class="euiIcon euiIcon--medium euiIcon-isLoading"
+                        class="euiIcon euiIcon--medium"
                         focusable="false"
                         height="16"
                         role="img"
                         viewBox="0 0 16 16"
                         width="16"
                         xmlns="http://www.w3.org/2000/svg"
-                      />
+                      >
+                        <path
+                          d="M2 12h12v-1.97c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97V12Zm-1 0V3c0-1.105 3.134-2 7-2s7 .895 7 2v9c0 1.105-3.134 2-7 2s-7-.895-7-2Zm1-3h12V7.03c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97V9Zm0-4.97V6h12V4.03c-1.225.582-3.454.97-6 .97s-4.775-.388-6-.97Zm10.675-1.483C11.467 2.202 9.795 2 8 2c-1.794 0-3.467.202-4.675.547-.492.14-.88.298-1.136.453.256.155.644.312 1.136.453C4.533 3.798 6.205 4 8 4c1.794 0 3.467-.202 4.675-.547.492-.14.88-.298 1.136-.453-.256-.155-.644-.312-1.136-.453ZM2 6c.257.155.833.312 1.325.453C4.533 6.798 6.205 7 8 7c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Zm0 3c.257.155.833.312 1.325.453C4.533 9.798 6.205 10 8 10c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Zm0 3c.257.155.833.312 1.325.453C4.533 12.798 6.205 13 8 13c1.794 0 3.467-.202 4.675-.547.492-.14 1.07-.298 1.327-.453H2Z"
+                        />
+                      </svg>
                     </span>
                     <span
                       class="euiTreeView__nodeLabel"
@@ -2191,7 +2232,7 @@ exports[`<Main /> spec click run button, response fills null and missing values
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -2791,7 +2832,7 @@ exports[`<Main /> spec click translation button, and response is ok 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -3002,20 +3043,31 @@ exports[`<Main /> spec click translation button, and response is ok 1`] = `
               class="euiSpacer euiSpacer--l"
             />
             <div
-              class="euiText euiText--medium euiTreeView__wrapper"
-            >
-              <p
-                class="euiScreenReaderOnly"
-                id="some_html_id--instruction"
-              >
-                You can quickly navigate this list using arrow keys.
-              </p>
-              <ul
-                aria-describedby="some_html_id--instruction"
-                aria-label="Sample Folder Tree"
-                class="euiTreeView"
-                id="some_html_id"
+              class="euiEmptyPrompt"
+            >
+              <svg
+                aria-hidden="true"
+                class="euiIcon euiIcon--xxLarge euiIcon--danger"
+                focusable="false"
+                height="16"
+                role="img"
+                viewBox="0 0 16 16"
+                width="16"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  d="M7.59 10.059 7.35 5.18h1.3L8.4 10.06h-.81Zm.394 1.901a.61.61 0 0 1-.448-.186.606.606 0 0 1-.186-.444c0-.174.062-.323.186-.446a.614.614 0 0 1 .448-.184c.169 0 .315.06.44.182.124.122.186.27.186.448a.6.6 0 0 1-.189.446.607.607 0 0 1-.437.184ZM2 14a1 1 0 0 1-.878-1.479l6-11a1 1 0 0 1 1.756 0l6 11A1 1 0 0 1 14 14H2Zm0-1h12L8 2 2 13Z"
+                  fill-rule="evenodd"
+                />
+              </svg>
+              <div
+                class="euiSpacer euiSpacer--m"
               />
+              <h2
+                class="euiTitle euiTitle--medium"
+              >
+                Error loading Datasources
+              </h2>
             </div>
             <div
               class="euiSpacer euiSpacer--l"
@@ -3315,7 +3367,7 @@ exports[`<Main /> spec renders the component 1`] = `
             class="euiFormControlLayout__childrenWrapper"
           >
             <div
-              class="euiComboBox__inputWrap euiComboBox__inputWrap-isClearable"
+              class="euiComboBox__inputWrap euiComboBox__inputWrap--noWrap euiComboBox__inputWrap-isClearable"
               data-test-subj="comboBoxInput"
               tabindex="-1"
             >
@@ -3525,7 +3577,42 @@ exports[`<Main /> spec renders the component 1`] = `
                 aria-label="Sample Folder Tree"
                 class="euiTreeView"
                 id="some_html_id"
-              />
+              >
+                <li
+                  class="euiTreeView__node"
+                >
+                  <button
+                    aria-controls="some_html_id"
+                    aria-expanded="false"
+                    class="euiTreeView__nodeInner"
+                    data-test-subj="euiTreeViewButton-some_html_id"
+                    id="element_0"
+                  >
+                    <span
+                      class="euiTreeView__iconWrapper"
+                    >
+                      <svg
+                        aria-hidden="true"
+                        class="euiIcon euiIcon--medium euiIcon-isLoading"
+                        focusable="false"
+                        height="16"
+                        role="img"
+                        viewBox="0 0 16 16"
+                        width="16"
+                        xmlns="http://www.w3.org/2000/svg"
+                      />
+                    </span>
+                    <span
+                      class="euiTreeView__nodeLabel"
+                    >
+                      .kibana_1
+                    </span>
+                  </button>
+                  <div
+                    id="some_html_id"
+                  />
+                </li>
+              </ul>
             </div>
             <div
               class="euiSpacer euiSpacer--l"