Fix firework rockets

src/de/steamwar/lobby/listener/InventoryInteraction.java

@@ -35,21 +35,6 @@ import org.bukkit.inventory.ItemStack;
 
 public class InventoryInteraction extends BasicListener {
 
-    {
-        Bukkit.getScheduler().runTaskTimer(LobbySystem.getPlugin(), () -> {
-            Bukkit.getOnlinePlayers().forEach(player -> {
-                ItemStack itemStack = player.getInventory().getItem(PlayerSpawn.FIREWORK_SLOT);
-                if (itemStack == null || itemStack.getType() == Material.AIR) {
-                    player.getInventory().setItem(PlayerSpawn.FIREWORK_SLOT, PlayerSpawn.FIREWORK);
-                    return;
-                }
-                if (itemStack.getAmount() > 1) {
-                    player.getInventory().setItem(PlayerSpawn.FIREWORK_SLOT, PlayerSpawn.FIREWORK);
-                }
-            });
-        }, 0L, 1L);
-    }
-
     @EventHandler
     public void handlePlayerInteract(PlayerInteractEvent event) {
         ItemStack item = event.getItem();
@@ -57,7 +42,9 @@ public class InventoryInteraction extends BasicListener {
             return;
 
         if(item.getType() == Material.FIREWORK_ROCKET && (event.getAction() == Action.RIGHT_CLICK_AIR || event.getAction() == Action.RIGHT_CLICK_BLOCK)) {
-            item.setAmount(2);
+            Bukkit.getScheduler().runTaskLater(LobbySystem.getPlugin(), () -> {
+                event.getPlayer().getInventory().setItem(PlayerSpawn.FIREWORK_SLOT, PlayerSpawn.FIREWORK);
+            }, 1L);
             return;
         }