### 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_FAIL_COND_V(!windows.has(p_window), 0);
	switch (p_handle_type) {
		case DISPLAY_HANDLE: {
			return 0; 
		}
		case WINDOW_HANDLE: {
			return (int64_t)windows[p_window].hWnd;
		}
#if defined(GLES3_ENABLED)
		case WINDOW_VIEW: {
			if (gl_manager) {
				return (int64_t)gl_manager->get_hdc(p_window);
			}
			return 0;
		}
		case OPENGL_CONTEXT: {
			if (gl_manager) {
				return (int64_t)gl_manager->get_hglrc(p_window);
			}
			return 0;
		}
#endif
		default: {
			return 0;
		}
	}
}
void DisplayServerWindows::window_attach_instance_id(ObjectID p_instance, WindowID p_window) {