window: Queue a fullscreen check when moving between monitors

We track changes to windows fullscreen state and stacking order
to determine a monitor's in-fullscreen state, but missed the
obvious case of moving a fullscreen window between monitors.

https://bugzilla.gnome.org/show_bug.cgi?id=728395

src/core/window.c

@@ -5397,6 +5397,9 @@ meta_window_move_to_monitor (MetaWindow  *window,
     window->tile_monitor_number = monitor;
 
   meta_window_move_between_rects (window, &old_area, &new_area);
+
+  if (window->fullscreen || window->override_redirect)
+    meta_screen_queue_check_fullscreen (window->screen);
 }
 
 void