Fixes hovered Nodes2D display in the editor (remove duplicates)

editor/plugins/canvas_item_editor_plugin.cpp

@@ -520,8 +520,17 @@ void CanvasItemEditor::_get_canvas_items_at_pos(const Point2 &p_pos, Vector<_Sel
 			node = node->get_parent();
 		}
 
+		// Check if the canvas item is already in the list (for groups or scenes)
+		bool duplicate = false;
+		for (int j = 0; j < i; j++) {
+			if (r_items[j].item == canvas_item) {
+				duplicate = true;
+				break;
+			}
+		}
+
 		//Remove the item if invalid
-		if (!canvas_item || (canvas_item != scene && canvas_item->get_owner() != scene && !scene->is_editable_instance(canvas_item->get_owner())) || (canvas_item->has_meta("_edit_lock_") && canvas_item->get_meta("_edit_lock_"))) {
+		if (!canvas_item || duplicate || (canvas_item != scene && canvas_item->get_owner() != scene && !scene->is_editable_instance(canvas_item->get_owner())) || (canvas_item->has_meta("_edit_lock_") && canvas_item->get_meta("_edit_lock_"))) {
 			r_items.remove(i);
 			i--;
 		} else {