Fix TNT prior to start

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/listener/Permanent.java

@@ -171,7 +171,7 @@ public class Permanent implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.MONITOR)
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void onExplosion(EntityExplodeEvent e) {
         e.blockList().removeIf(block -> {
             if(block.getType() == Material.TNT) {