### 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)
ERR_MAIN_THREAD_GUARD;
	
	
	
	
	
	Ref<InputEventMouseMotion> mm;
	Vector2 pos = get_mouse_position();
	Transform2D xform = get_global_canvas_transform().affine_inverse();
	mm.instantiate();
	mm->set_position(pos);
	mm->set_global_position(xform.xform(pos));
	mm->set_device(InputEvent::DEVICE_ID_INTERNAL);
	push_input(mm);
}
void Window::show() {
	ERR_MAIN_THREAD_GUARD;
	set_visible(true);
}
void Window::hide() {