Fix MultiNodeEdit not cleared after deleting nodes

editor/editor_node.cpp

@@ -2221,7 +2221,7 @@ void EditorNode::edit_item(Object *p_object, Object *p_editing_owner) {
 }
 
 void EditorNode::push_node_item(Node *p_node) {
-	if (p_node || Object::cast_to<Node>(InspectorDock::get_inspector_singleton()->get_edited_object())) {
+	if (p_node || Object::cast_to<Node>(InspectorDock::get_inspector_singleton()->get_edited_object()) || Object::cast_to<MultiNodeEdit>(InspectorDock::get_inspector_singleton()->get_edited_object())) {
 		// Don't push null if the currently edited object is not a Node.
 		push_item(p_node);
 	}