Feature - MailPoet Integration (#755)

* Added Modules for Mailpoet

* Added mailpoet image in extensions

* Dashboard module enhance

---------

Co-authored-by: y000yal <yoyal.limbu@gmail.com>
Co-authored-by: Prajjwal Poudel <85762481+iamprazol@users.noreply.github.com>

assets/extensions-json/sections/all_extensions.json

@@ -540,7 +540,7 @@
       "demo_video_url": "xZr2R5CmVF8",
       "released_date": "01/08/2024"
 	  },
-	  {
+    {
       "title": "Authorize.net Payment",
       "slug" : "user-registration-authorize-net",
       "name" : "User Registration Authorize.net",
@@ -555,6 +555,23 @@
       "setting_url": "admin.php?page=user-registration-settings&tab=payment",
       "demo_video_url": "tNj6yg9okMQ",
       "released_date": "01/08/2024"
-	  }
+	  },
+	  {
+		"title": "MailPoet",
+		"slug" : "user-registration-mailpoet",
+		"name" : "User Registration MailPoet",
+		"image": "extensions-json/sections/images/mailpoet.png",
+		"excerpt": "Allows you to combine MailPoet with Everest Forms for enhanced email marketing efforts. Access over 50 pre-designed email templates for effective email marketing and lead conversion.",
+		"link": "https://wpuserregistration.com/features/mailpoet/?utm_source=dashboard-all-features&utm_medium=card-documentation-link",
+		"plan" : [
+			"personal",
+			"plus",
+			"professional",
+			"themegrill agency"
+		],
+      	"released_date": "09/09/2024",
+		"setting_url": "admin.php?page=user-registration-settings&tab=integration",
+		"demo_video_url": ""
+    }
   ]
 }

includes/functions-ur-core.php

@@ -3139,7 +3139,7 @@ function ur_format_field_values_using_field_key( $field_key, $field_value ) {
 				} elseif ( is_array( $field_value ) && ! empty( $field_value ) ) {
 					$field_value = implode( ', ', $field_value );
 				} elseif ( ! empty( json_decode( $field_value ) ) ) { // phpcs:ignore;
-					$field_value = implode( ', ', json_decode( $field_value ) );
+					$field_value = is_array( json_decode( $field_value ) ) ? implode( ', ', json_decode( $field_value ) ) : $field_value;
 				}
 				break;
 			case 'country':