### 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)
WindowRect.left = wpos.x;
		WindowRect.right = wpos.x + p_rect.size.x;
		WindowRect.top = wpos.y;
		WindowRect.bottom = wpos.y + p_rect.size.y;
	}
	Point2i offset = _get_screens_origin();
	WindowRect.left += offset.x;
	WindowRect.right += offset.x;
	WindowRect.top += offset.y;
	WindowRect.bottom += offset.y;
	AdjustWindowRectEx(&WindowRect, dwStyle, FALSE, dwExStyle);
	WindowID id = window_id_counter;
	{
		WindowData &wd = windows[id];
		wd.hWnd = CreateWindowExW(
				dwExStyle,
				L"Engine", L"",
				dwStyle,
				
				
				WindowRect.left,
				WindowRect.top,
				WindowRect.right - WindowRect.left,
				WindowRect.bottom - WindowRect.top,
				nullptr,
				nullptr,
				hInstance,