WIP - enforce grid loading for midsummer bonfire npcs on event start

FIXME: clean this up / properly implement this functionality

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src/server/game/Events/GameEventMgr.cpp

@@ -1336,6 +1336,11 @@ void GameEventMgr::GameEventSpawn(int16 event_id)
 
             // Spawn if necessary (loaded grids only)
             Map* map = sMapMgr->CreateBaseMap(data->mapid);
+            // enforce spawn of NPC 16592 Midsummer Bonfire
+            if ((event_id == 1) && (data->id1 == 16592))
+            {
+                map->LoadGrid(data->posX, data->posY);
+            }
             // We use spawn coords to spawn
             if (!map->Instanceable() && map->IsGridLoaded(data->posX, data->posY))
             {