### Godot version

 Latest 4.0.dev (a3a42159e31db27f8ae7c1ecad6a9ed417cb05de)

### System information

Ubuntu 22.04.1 LTS

### Issue description

![image](https://user-images.githubusercontent.com/85438892/214476911-0ce83a43-b959-4b13-88fd-d6b9af0cd63a.png)

### Steps to reproduce

Open any script

### Minimal reproduction project

N/A
_THREAD_SAFE_METHOD_
#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED
	static int frame = 0;
	++frame;
#endif
	bool ignore_events = mouse_process_popups();
	if (app_focused) {
		
		bool focus_found = false;
		for (const KeyValue<WindowID, WindowData> &E : windows) {
			if (E.value.focused) {
				focus_found = true;
				break;
			}
		}
		if (!focus_found) {
			uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_no_focus;
			if (delta > 250) {
				
				if (OS::get_singleton()->get_main_loop()) {
					DEBUG_LOG_X11("All focus lost, triggering NOTIFICATION_APPLICATION_FOCUS_OUT\n");
					OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_OUT);
				}
				app_focused = false;