Fix double activation

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

FightSystem_Core/src/de/steamwar/fightsystem/fight/HotbarKit.java

@@ -30,6 +30,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.potion.PotionEffect;
@@ -85,7 +86,7 @@ public class HotbarKit extends Kit {
 
         @EventHandler
         public void handlePlayerInteract(PlayerInteractEvent event) {
-            if(event.getAction() == Action.PHYSICAL)
+            if(event.getAction() == Action.PHYSICAL || event.getHand() != EquipmentSlot.HAND)
                 return;
 
             Player player = event.getPlayer();