fix: behaviour controller initializing added behaviours when it itself is not initialized

Engine.Core/BehaviourController.cs

@@ -29,6 +29,7 @@ public class BehaviourController : BaseEntity, IBehaviourController
         behaviour.Assign(this);
         behaviour.Assign(Factory.StateEnableFactory.Instantiate(behaviour));
 
+        if (IsInitialized)
             behaviour.Initialize();
         behaviour.OnPriorityChanged += OnPriorityChange;
         OnBehaviourAdded?.InvokeSafe(this, behaviour);