Core/Auras: Send scene complete if a SPELL_AURA_PLAY_SCENE aura is removed by expiration

Port From (https://github.com/TrinityCore/TrinityCore/commit/e58fa4c35eaf24cfa4866b8ca24a61d45a3382d2)

Source/Game/Entities/Player/SceneMgr.cs

@@ -223,6 +223,15 @@ namespace Game.Entities
             return activeSceneCount;
         }
 
+        public uint? GetInstanceIdBySceneId(uint sceneId)
+        {
+            foreach (var (instanceId, template) in _scenesByInstance)
+                if (template.SceneId == sceneId)
+                    return instanceId;
+
+            return null;
+        }
+
         public void TriggerDelayedScenes()
         {
             foreach (var playScene in _delayedScenes)

Source/Game/Spells/Auras/AuraEffect.cs

@@ -5887,8 +5887,16 @@ namespace Game.Spells
             if (apply)
                 player.GetSceneMgr().PlayScene((uint)GetMiscValue());
             else
+            {
+                if (aurApp.GetRemoveMode() == AuraRemoveMode.Expire)
+                {
+                    var sceneInstanceId = player.GetSceneMgr().GetInstanceIdBySceneId((uint)GetMiscValue());
+                    if (sceneInstanceId.HasValue)
+                        player.GetSceneMgr().OnSceneComplete(sceneInstanceId.Value);
+                }
                 player.GetSceneMgr().CancelSceneBySceneId((uint)GetMiscValue());
             }
+        }
 
         [AuraEffectHandler(AuraType.AreaTrigger)]
         void HandleCreateAreaTrigger(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)