### 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)

print_verbose(vformat("XInput %d.%d not available (server supports %d.%d). Touch input unavailable.",
				XINPUT_CLIENT_VERSION_MAJOR, XINPUT_CLIENT_VERSION_MINOR, xi_major_query, xi_minor_query));
	}
	xi.absolute_devices.clear();
	xi.touch_devices.clear();
	xi.pen_inverted_devices.clear();
	int dev_count;
	XIDeviceInfo *info = XIQueryDevice(x11_display, XIAllDevices, &dev_count);
	for (int i = 0; i < dev_count; i++) {
		XIDeviceInfo *dev = &info[i];
		if (!dev->enabled) {
			continue;
		}
		if (!(dev->use == XISlavePointer || dev->use == XIFloatingSlave)) {
			continue;
		}
		bool direct_touch = false;
		bool absolute_mode = false;
		int resolution_x = 0;
		int resolution_y = 0;
		double abs_x_min = 0;
		double abs_x_max = 0;
		double abs_y_min = 0;
		double abs_y_max = 0;
		double pressure_min = 0;
		double pressure_max = 0;
		double tilt_x_min = 0;
		double tilt_x_max = 0;
		double tilt_y_min = 0;
		double tilt_y_max = 0;