Update EventsHandler.java

switches this check order, should deal with cases where mods don't give dimension keys to their fake worlds.

src/main/java/pokecube/core/handlers/events/EventsHandler.java

@@ -528,7 +528,7 @@ private static void onTileCaps(final AttachCapabilitiesEvent<TileEntity> event)
 
     private static void onWorldCaps(final AttachCapabilitiesEvent<World> event)
     {
-        if (event.getObject() instanceof ServerWorld && event.getObject().getDimensionKey().equals(World.OVERWORLD))
+        if (event.getObject() instanceof ServerWorld && World.OVERWORLD.equals(event.getObject().getDimensionKey()))
             PokecubeSerializer.newInstance((ServerWorld) event.getObject());
     }