Fix the menu popup location when dropping blend files under Wayland

Even though the event's location matched the drop event,
the `wmWindow.eventstate` was not updated which was used for the
pop-up menu location.

source/blender/windowmanager/intern/wm_window.c

@@ -1367,6 +1367,10 @@ static bool ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr C_void_pt
         event.xy[0] = ddd->x;
         event.xy[1] = ddd->y;
 
+        /* The values from #wm_window_update_eventstate may not match (under WAYLAND they don't)
+         * Write this into the event state. */
+        copy_v2_v2_int(win->eventstate->xy, event.xy);
+
         event.flag = 0;
 
         /* No context change! C->wm->windrawable is drawable, or for area queues. */