### 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)

rect = workarea_rect;
					} else if (rect.intersects(workarea_rect)) {
						rect = rect.intersection(workarea_rect);
					}
				}
			}
			if (workarea_data) {
				XFree(workarea_data);
			}
		}
	}
	return rect;
}
int DisplayServerX11::screen_get_dpi(int p_screen) const {
	_THREAD_SAFE_METHOD_
	switch (p_screen) {
		case SCREEN_PRIMARY: {
			p_screen = get_primary_screen();
		} break;
		case SCREEN_OF_MAIN_WINDOW: {
			p_screen = window_get_current_screen(MAIN_WINDOW_ID);
		} break;
		default:
			break;
	}
	
	ERR_FAIL_INDEX_V(p_screen, get_screen_count(), 0);
	
	Size2i sc = screen_get_size(p_screen);
	if (xrandr_ext_ok) {