Properly Remove Item

Better For Performance

paper/src/main/java/com/badbones69/crazyenchantments/paper/api/builders/types/blacksmith/BlackSmithMenu.java

@@ -96,7 +96,7 @@ public void onInventoryClick(InventoryClickEvent event) {
 
                 if (!this.settings.getEnchantments(item).isEmpty() || this.settings.isEnchantmentBook(item)) {
                     if (inventory.getItem(this.mainSlot) == null) {
-                        event.setCurrentItem(new ItemStack(Material.AIR));
+                        event.setCurrentItem(null);
                         inventory.setItem(this.mainSlot, item); // Moves clicked item to main slot.
                         playSound(player, this.click);
 
@@ -105,7 +105,7 @@ public void onInventoryClick(InventoryClickEvent event) {
                             setBorder(resultItem, inventory);
                         }
                     } else {
-                        event.setCurrentItem(new ItemStack(Material.AIR));
+                        event.setCurrentItem(null);
 
                         // Sub item slot is not empty.
                         // Moves sub slot item to clicked items slot.
@@ -119,7 +119,7 @@ public void onInventoryClick(InventoryClickEvent event) {
                 }
             } else {
                 if (event.getRawSlot() == this.mainSlot || event.getRawSlot() == this.subSlot) { // Clicked either the main slot or sub slot.
-                    event.setCurrentItem(new ItemStack(Material.AIR)); // Sets the clicked slot to air.
+                    event.setCurrentItem(null); // Sets the clicked slot to air.
                     this.methods.addItemToInventory(player, item);
                     inventory.setItem(outputSlot, BlackSmithManager.getExitButton());
                     resultBorder.forEach(slot -> inventory.setItem(slot, BlackSmithManager.getRedGlass()));