Fixes spawn egg bypass

Literally a one-line fix. Bruh

server/src/main/java/dev/plex/listener/impl/MobListener.java

@@ -86,6 +86,7 @@ public class MobListener extends PlexListener
             {
                 blockLoc.getWorld().spawnEntity(blockLoc, eggType);
             }
+            event.setCancelled(true);
         }
     }