SPIGOT-5047: Correct slot types for 1.14 inventories

By: md_5 <git@md-5.net>

paper-server/nms-patches/ContainerStonecutter.patch

@@ -26,7 +26,7 @@
 +            return bukkitEntity;
 +        }
 +
-+        CraftInventoryStonecutter inventory = new CraftInventoryStonecutter(this.inventory);
++        CraftInventoryStonecutter inventory = new CraftInventoryStonecutter(this.inventory, this.n);
 +        bukkitEntity = new CraftInventoryView(this.player, inventory, this);
 +        return bukkitEntity;
 +    }