### 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
} else if (transient_parent->exclusive_child != this) {
				ERR_PRINT("Making child transient exclusive, but parent has another exclusive child");
			}
		}
	}
	
	if (transient_parent->window_id != DisplayServer::INVALID_WINDOW_ID && window_id != DisplayServer::INVALID_WINDOW_ID) {
		DisplayServer::get_singleton()->window_set_transient(window_id, transient_parent->window_id);
	}
}
void Window::set_transient(bool p_transient) {
	ERR_MAIN_THREAD_GUARD;
	if (transient == p_transient) {
		return;
	}
	transient = p_transient;
	if (!is_inside_tree()) {
		return;
	}
	if (transient) {
		_make_transient();
	} else {
		_clear_transient();
	}
}
bool Window::is_transient() const {
	ERR_READ_THREAD_GUARD_V(false);
	return transient;
}
void Window::set_exclusive(bool p_exclusive) {