### Godot version

2992ffd25523cb8b3e0ef1b873c40115b8940178

### System information

Windows 10

### Issue description

Godot crashes randomly within a few seconds after project start when moving with the mouse.

![win_err](https://github.com/godotengine/godot/assets/52464204/1da28596-d95b-40f3-b32f-12219ec02c5d)

Started after recent merge of https://github.com/godotengine/godot/pull/67791.
I can confirm that reverting the pr fixes the crashes.

### Steps to reproduce

see desc

### Minimal reproduction project

N/A
String ret;
	Atom utf8_atom = XInternAtom(x11_display, "UTF8_STRING", True);
	if (utf8_atom != None) {
		ret = _clipboard_get_impl(p_source, x11_window, utf8_atom);
	}
	if (ret.is_empty()) {
		ret = _clipboard_get_impl(p_source, x11_window, XA_STRING);
	}
	return ret;
}
String DisplayServerX11::clipboard_get() const {
	_THREAD_SAFE_METHOD_
	String ret;
	ret = _clipboard_get(XInternAtom(x11_display, "CLIPBOARD", 0), windows[MAIN_WINDOW_ID].x11_window);
	if (ret.is_empty()) {
		ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window);
	}
	return ret;
}
String DisplayServerX11::clipboard_get_primary() const {
	_THREAD_SAFE_METHOD_
	String ret;
	ret = _clipboard_get(XInternAtom(x11_display, "PRIMARY", 0), windows[MAIN_WINDOW_ID].x11_window);
	if (ret.is_empty()) {
		ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window);
	}
	return ret;
}
Bool DisplayServerX11::_predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg) {