### Godot version

v4.0.beta15.mono.official [4fa6edc88]

### System information

Linux, Xorg

### Issue description

The entire window loses focus if you ungrab focus from a Control. 
This doesn't seem to happen in Beta 14 and older betas.

### Steps to reproduce

1. Create a Control that can grab focus (tested with LineEdit and TextEdit)
2. Grab focus
3. Release focus via release_focus() or hiding the node

### Minimal reproduction project

[FocusMinimal.zip](https://github.com/godotengine/godot/files/10498175/FocusMinimal.zip)

} break;
	}
	switch (p_mode) {
		case WINDOW_MODE_WINDOWED: {
			
		} break;
		case WINDOW_MODE_MINIMIZED: {
			_set_wm_minimized(p_window, true);
		} break;
		case WINDOW_MODE_EXCLUSIVE_FULLSCREEN:
		case WINDOW_MODE_FULLSCREEN: {
			wd.last_position_before_fs = wd.position;
			if (window_get_flag(WINDOW_FLAG_ALWAYS_ON_TOP, p_window)) {
				_set_wm_maximized(p_window, true);
			}
			wd.fullscreen = true;
			if (p_mode == WINDOW_MODE_EXCLUSIVE_FULLSCREEN) {
				wd.exclusive_fullscreen = true;
				_set_wm_fullscreen(p_window, true, true);
			} else {
				wd.exclusive_fullscreen = false;
				_set_wm_fullscreen(p_window, true, false);
			}
		} break;
		case WINDOW_MODE_MAXIMIZED: {
			_set_wm_maximized(p_window, true);
		} break;
	}
}
DisplayServer::WindowMode DisplayServerX11::window_get_mode(WindowID p_window) const {