Fix error on attaching script

editor/scene_tree_dock.cpp

@@ -1762,6 +1762,8 @@ void SceneTreeDock::_script_created(Ref<Script> p_script) {
 
 void SceneTreeDock::_script_creation_closed() {
 	script_create_dialog->disconnect("script_created", callable_mp(this, &SceneTreeDock::_script_created));
+	script_create_dialog->disconnect("confirmed", callable_mp(this, &SceneTreeDock::_script_creation_closed));
+	script_create_dialog->disconnect("cancelled", callable_mp(this, &SceneTreeDock::_script_creation_closed));
 }
 
 void SceneTreeDock::_toggle_editable_children_from_selection() {
@@ -2651,7 +2653,8 @@ void SceneTreeDock::attach_script_to_selected(bool p_extend) {
 	}
 
 	script_create_dialog->connect("script_created", callable_mp(this, &SceneTreeDock::_script_created));
-	script_create_dialog->connect("popup_hide", callable_mp(this, &SceneTreeDock::_script_creation_closed), varray(), CONNECT_ONESHOT);
+	script_create_dialog->connect("confirmed", callable_mp(this, &SceneTreeDock::_script_creation_closed));
+	script_create_dialog->connect("cancelled", callable_mp(this, &SceneTreeDock::_script_creation_closed));
 	script_create_dialog->set_inheritance_base_type("Node");
 	script_create_dialog->config(inherits, path);
 	script_create_dialog->popup_centered();