FIXES ISSUE sugarlabs#3895 Add alphabet "G" as a block found in easy …

…mode

The requirement of this bug is to add the pitch G4 nad Alphabet G block in pitch menu of the beginner mode.

js/blocks/PitchBlocks.js

@@ -875,6 +875,7 @@ function setupPitchBlocks(activity) {
                 "note2"
             ]);
             this.formBlock({ outType: "noteout" });
+            this.beginnerBlock(true);
         }
     }
 
@@ -1841,6 +1842,7 @@ function setupPitchBlocks(activity) {
                 [1, ["notename", { value: "G" }], 0, 0, [0]],
                 [2, ["number", { value: 4 }], 0, 0, [0]]
             ]);
+            this.beginnerBlock(true);
         }
     }