### 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 (get_embedder()) {
		return get_embedder()->is_directly_attached_to_screen();
	}
	
	return is_inside_tree();
}
void Window::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_title", "title"), &Window::set_title);
	ClassDB::bind_method(D_METHOD("get_title"), &Window::get_title);
	ClassDB::bind_method(D_METHOD("get_window_id"), &Window::get_window_id);
	ClassDB::bind_method(D_METHOD("set_initial_position", "initial_position"), &Window::set_initial_position);
	ClassDB::bind_method(D_METHOD("get_initial_position"), &Window::get_initial_position);
	ClassDB::bind_method(D_METHOD("set_current_screen", "index"), &Window::set_current_screen);
	ClassDB::bind_method(D_METHOD("get_current_screen"), &Window::get_current_screen);
	ClassDB::bind_method(D_METHOD("set_position", "position"), &Window::set_position);
	ClassDB::bind_method(D_METHOD("get_position"), &Window::get_position);
	ClassDB::bind_method(D_METHOD("set_size", "size"), &Window::set_size);
	ClassDB::bind_method(D_METHOD("get_size"), &Window::get_size);
	ClassDB::bind_method(D_METHOD("reset_size"), &Window::reset_size);
	ClassDB::bind_method(D_METHOD("get_position_with_decorations"), &Window::get_position_with_decorations);
	ClassDB::bind_method(D_METHOD("get_size_with_decorations"), &Window::get_size_with_decorations);
	ClassDB::bind_method(D_METHOD("set_max_size", "max_size"), &Window::set_max_size);
	ClassDB::bind_method(D_METHOD("get_max_size"), &Window::get_max_size);