### 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
if (((mask & Button1Mask) || (mask & Button2Mask) || (mask & Button3Mask) || (mask & Button4Mask) || (mask & Button5Mask))) {
					List<WindowID>::Element *C = nullptr;
					List<WindowID>::Element *E = popup_list.back();
					
					while (E) {
						
						Rect2i win_rect = Rect2i(window_get_position(E->get()), window_get_size(E->get()));
						
						Rect2i safe_rect = window_get_popup_safe_rect(E->get());
						if (win_rect.has_point(pos)) {
							break;
						} else if (safe_rect != Rect2i() && safe_rect.has_point(pos)) {
							break;
						} else {
							C = E;
							E = E->prev();
						}
					}
					if (C) {
						_send_window_event(windows[C->get()], DisplayServerX11::WINDOW_EVENT_CLOSE_REQUEST);
						closed = true;
					}
				}
			}
			last_mouse_monitor_mask = mask;
		}
	}
	return closed;
}
void DisplayServerX11::process_events() {