### Godot version

4.0.3.stable

### System information

windows 11

### Issue description

fullscreen on the window node is not working and will show up as a windowed.

### Steps to reproduce

disable Embed Subwindows in Project Settings/Display/Window.
create a window node and set its mode to fullscreen.

### Minimal reproduction project

[fullscreen.zip](https://github.com/godotengine/godot/files/11821834/fullscreen.zip)
if (!wd.event_callback.is_null()) {
		Variant event = int(p_event);
		Variant *eventp = &event;
		Variant ret;
		Callable::CallError ce;
		wd.event_callback.callp((const Variant **)&eventp, 1, ret, ce);
	}
}
void DisplayServerWindows::_dispatch_input_events(const Ref<InputEvent> &p_event) {
	static_cast<DisplayServerWindows *>(get_singleton())->_dispatch_input_event(p_event);
}
void DisplayServerWindows::_dispatch_input_event(const Ref<InputEvent> &p_event) {
	_THREAD_SAFE_METHOD_
	if (in_dispatch_input_event) {
		return;
	}
	in_dispatch_input_event = true;
	Variant ev = p_event;
	Variant *evp = &ev;
	Variant ret;
	Callable::CallError ce;
	{
		List<WindowID>::Element *E = popup_list.back();
		if (E && Object::cast_to<InputEventKey>(*p_event)) {
			
			if (windows.has(E->get())) {