### 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)
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2I, "max_size", PROPERTY_HINT_NONE, "suffix:px"), "set_max_size", "get_max_size");
	ADD_GROUP("Content Scale", "content_scale_");
	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2I, "content_scale_size"), "set_content_scale_size", "get_content_scale_size");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "content_scale_mode", PROPERTY_HINT_ENUM, "Disabled,Canvas Items,Viewport"), "set_content_scale_mode", "get_content_scale_mode");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "content_scale_aspect", PROPERTY_HINT_ENUM, "Ignore,Keep,Keep Width,Keep Height,Expand"), "set_content_scale_aspect", "get_content_scale_aspect");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "content_scale_factor"), "set_content_scale_factor", "get_content_scale_factor");
	ADD_GROUP("Localization", "");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_translate"), "set_auto_translate", "is_auto_translating");
	ADD_GROUP("Theme", "theme_");
	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "theme", PROPERTY_HINT_RESOURCE_TYPE, "Theme"), "set_theme", "get_theme");
	ADD_PROPERTY(PropertyInfo(Variant::STRING, "theme_type_variation", PROPERTY_HINT_ENUM_SUGGESTION), "set_theme_type_variation", "get_theme_type_variation");
	ADD_SIGNAL(MethodInfo("window_input", PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent")));
	ADD_SIGNAL(MethodInfo("files_dropped", PropertyInfo(Variant::PACKED_STRING_ARRAY, "files")));
	ADD_SIGNAL(MethodInfo("mouse_entered"));
	ADD_SIGNAL(MethodInfo("mouse_exited"));
	ADD_SIGNAL(MethodInfo("focus_entered"));
	ADD_SIGNAL(MethodInfo("focus_exited"));
	ADD_SIGNAL(MethodInfo("close_requested"));
	ADD_SIGNAL(MethodInfo("go_back_requested"));
	ADD_SIGNAL(MethodInfo("visibility_changed"));
	ADD_SIGNAL(MethodInfo("about_to_popup"));
	ADD_SIGNAL(MethodInfo("theme_changed"));
	ADD_SIGNAL(MethodInfo("dpi_changed"));
	ADD_SIGNAL(MethodInfo("titlebar_changed"));
	BIND_CONSTANT(NOTIFICATION_VISIBILITY_CHANGED);
	BIND_CONSTANT(NOTIFICATION_THEME_CHANGED);
	BIND_ENUM_CONSTANT(MODE_WINDOWED);
	BIND_ENUM_CONSTANT(MODE_MINIMIZED);
	BIND_ENUM_CONSTANT(MODE_MAXIMIZED);
	BIND_ENUM_CONSTANT(MODE_FULLSCREEN);