Fix issue JabRef#11938: Tab in empty text area field should focus the…

… next field

src/main/java/org/jabref/gui/fieldeditors/EditorTextArea.java

@@ -28,15 +28,23 @@ public class EditorTextArea extends TextArea implements Initializable, ContextMe
     };
 
     public EditorTextArea() {
+        // Call the constructor with an empty string
         this("");
+
+        // Add an event filter to handle key press events
         this.addEventFilter(KeyEvent.KEY_PRESSED, event -> {
+            // If the TAB key is pressed and the TextArea is empty
             if (event.getCode() == KeyCode.TAB && this.getText().isEmpty()) {
+                // Move the focus to the next parent element (likely the next form field)
                 this.getParent().requestFocus();
+
+                // Consume the event to prevent further processing of the TAB key
                 event.consume();
             }
         });
     }
 
+
     public EditorTextArea(final String text) {
         super(text);