### 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)

if (monitor_info->x != monitors[p_screen].x || monitor_info->y != monitors[p_screen].y) { 
					continue;
				}
				if (monitor_info->mode != None) {
					current_mode = monitor_info->mode;
					found_active_mode = true;
					break;
				}
			}
			if (found_active_mode) {
				for (int mode = 0; mode < screen_info->nmode; mode++) {
					XRRModeInfo m_info = screen_info->modes[mode];
					if (m_info.id == current_mode) {
						
						return Math::snapped((float)m_info.dotClock / ((float)m_info.hTotal * (float)m_info.vTotal), 0.01);
					}
				}
			}
			ERR_PRINT("An error occurred while trying to get the screen refresh rate."); 
			return SCREEN_REFRESH_RATE_FALLBACK;
		} else {
			ERR_PRINT("An error occurred while trying to get the screen refresh rate.");
			return SCREEN_REFRESH_RATE_FALLBACK;
		}
	}
	ERR_PRINT("An error occurred while trying to get the screen refresh rate.");
	return SCREEN_REFRESH_RATE_FALLBACK;
}
#ifdef DBUS_ENABLED
void DisplayServerX11::screen_set_keep_on(bool p_enable) {