wayland: Destroy proxy wrappers and callbacks before event queues

Destroy any proxy wrappers and callbacks before the associated event queues to silence libwayland warnings about destroying the queues while proxies are still attached.

src/video/wayland/SDL_waylandwindow.c

@@ -2308,9 +2308,9 @@ void Wayland_DestroyWindow(_THIS, SDL_Window *window)
         SDL_free(wind->outputs);
 
         if (wind->gles_swap_frame_callback) {
-            WAYLAND_wl_event_queue_destroy(wind->gles_swap_frame_event_queue);
-            WAYLAND_wl_proxy_wrapper_destroy(wind->gles_swap_frame_surface_wrapper);
             wl_callback_destroy(wind->gles_swap_frame_callback);
+            WAYLAND_wl_proxy_wrapper_destroy(wind->gles_swap_frame_surface_wrapper);
+            WAYLAND_wl_event_queue_destroy(wind->gles_swap_frame_event_queue);
         }
 
         if (wind->surface_damage_frame_callback) {