Add Async to anim events (false by default) to delay events execution into main thread and prevent multi-threading issues by default

#2033

Source/Engine/Animations/Animations.cpp

@@ -146,6 +146,7 @@ void AnimationsSystem::PostExecute(TaskGraph* graph)
         auto animatedModel = AnimationManagerInstance.UpdateList[index];
         if (CanUpdateModel(animatedModel))
         {
+            animatedModel->GraphInstance.InvokeAnimEvents();
             animatedModel->OnAnimationUpdated_Sync();
         }
     }