Added FastItemStack#unwrap again

eco-api/src/main/java/com/willfp/eco/core/fast/FastItemStack.java

@@ -44,6 +44,13 @@ public interface FastItemStack {
      */
     List<String> getLore();
 
+    /**
+     * Get the Bukkit ItemStack again.
+     *
+     * @return The ItemStack.
+     */
+    ItemStack unwrap();
+
     /**
      * Wrap an ItemStack to create a FastItemStack.
      *

eco-core/core-backend/src/main/java/com/willfp/eco/internal/fast/EcoFastItemStack.java

@@ -17,4 +17,9 @@ public abstract class EcoFastItemStack<T> implements FastItemStack {
         this.handle = handle;
         this.bukkit = bukkit;
     }
+
+    @Override
+    public ItemStack unwrap() {
+        return this.getBukkit();
+    }
 }