Added item-in-hand related API.

By: sk89q <the.sk89q@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java

@@ -40,6 +40,10 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
         return getInventory().getItemInHand();
     }
 
+    public void setItemInHand(ItemStack item) {
+        getInventory().setItemInHand(item);
+    }
+
     @Override
     public String toString() {
         return "CraftHumanEntity{" + "id=" + getEntityId() + "name=" + getName() + '}';