Fix NoGravityListener

BauSystem_Main/src/de/steamwar/bausystem/features/region/NoGravityListener.java

@@ -40,7 +40,7 @@ public class NoGravityListener implements Listener, ScoreboardElement {
 
     @EventHandler
     public void onEntitySpawn(EntitySpawnEvent event) {
-        if (event.getEntityType() != EntityType.PLAYER) return;
+        if (event.getEntityType() == EntityType.PLAYER) return;
         if (getMode(Region.getRegion(event.getLocation())) == NoGravityMode.ACTIVE) {
             event.getEntity().setGravity(false);
         }