### Godot version

v4.2.beta2.official [f8818f85e]

### System information

Windows 10, 64bit

### Issue description

Some times can't add node in visualshader editor

### Steps to reproduce

1. Open a VisualShader file for edit.
2. Click the `Add Node...` button, it will popup menu, it is OK.
3. Direct close the menu.
4. Clikd the `Add Node...` again, the menu can't popup.
![GIF](https://github.com/godotengine/godot/assets/35988767/1326c63e-3e05-4423-9ec7-7ce305b3f4f5)

### Minimal reproduction project

/
String prev_name = p_parameter_ref->get_parameter_name();
	if (p_name == prev_name) {
		return;
	}
	bool type_changed = p_parameter_ref->get_parameter_type_by_name(p_name) != p_parameter_ref->get_parameter_type_by_name(prev_name);
	EditorUndoRedoManager *undo_redo_man = EditorUndoRedoManager::get_singleton();
	undo_redo_man->create_action(TTR("ParameterRef Name Changed"));