### 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)

::XPointer call_data) {
	DisplayServerX11 *ds = reinterpret_cast<DisplayServerX11 *>(client_data);
	WindowID window_id = ds->_get_focused_window_or_popup();
	WindowData &wd = ds->windows[window_id];
	if (wd.ime_active) {
		wd.ime_in_progress = true;
	}
	return -1; 
}
void DisplayServerX11::_xim_preedit_done_callback(::XIM xim, ::XPointer client_data,
		::XPointer call_data) {
	DisplayServerX11 *ds = reinterpret_cast<DisplayServerX11 *>(client_data);
	WindowID window_id = ds->_get_focused_window_or_popup();
	WindowData &wd = ds->windows[window_id];
	if (wd.ime_active) {
		wd.ime_in_progress = false;
		wd.ime_suppress_next_keyup = true;
	}
}
void DisplayServerX11::_xim_preedit_draw_callback(::XIM xim, ::XPointer client_data,