Core/SAI: Implemented SMART_EVENT_GO_STATE_CHANGED and SMART_ACTION_GO_SET_LOOT_STATE

Signed-off-by: Subv2112 <s.v.h21@hotmail.com>

src/server/game/Entities/GameObject/GameObject.cpp

@@ -1864,3 +1864,9 @@ void GameObject::SetDestructibleState(GameObjectDestructibleState state, Player*
         }
     }
 }
+
+void GameObject::SetLootState(LootState s)
+{
+    m_lootState = s;
+    AI()->OnStateChanged(s);
+}