AI/TotemAI: Tell Shaman Totems to stay put and stop moving.

Port From (https://github.com/TrinityCore/TrinityCore/commit/007eb8c9311320217fdda0bc0e6c05044254edfe)

Source/Game/AI/CoreAI/PassiveAI.cs

@@ -90,6 +90,7 @@ namespace Game.AI
         public override void MoveInLineOfSight(Unit unit) { }
         public override void AttackStart(Unit unit) { }
         public override void UpdateAI(uint diff) { }
+        public override void JustAppeared() { }
         public override void EnterEvadeMode(EvadeReason why) { }
         public override void OnCharmed(bool isNew) { }
     }

Source/Game/AI/CoreAI/PetAI.cs

@@ -534,7 +534,7 @@ namespace Game.AI
                         break;
                     case TextEmotes.Soothe:
                         if (me.IsPet() && me.ToPet().IsPetGhoul())
-                            me.HandleEmoteCommand( Emote.OneshotOmnicastGhoul);
+                            me.HandleEmoteCommand(Emote.OneshotOmnicastGhoul);
                         break;
                 }
         }
@@ -637,6 +637,7 @@ namespace Game.AI
         //  default CreatureAI functions which interfere with the PetAI
         public override void MoveInLineOfSight(Unit who) { }
         public override void MoveInLineOfSight_Safe(Unit who) { }
+        public override void JustAppeared() { } // we will control following manually
         public override void EnterEvadeMode(EvadeReason why) { }
     }
 }

Source/Game/AI/CoreAI/TotemAI.cs

@@ -25,11 +25,15 @@ namespace Game.AI
     {
         ObjectGuid _victimGuid;
 
-        public TotemAI(Creature c) : base(c)
+        public TotemAI(Creature creature) : base(creature)
         {
             _victimGuid = ObjectGuid.Empty;
         }
 
+        public override void MoveInLineOfSight(Unit who) { }
+
+        public override void JustAppeared() { }
+
         public override void EnterEvadeMode(EvadeReason why)
         {
             me.CombatStop(true);
@@ -77,5 +81,7 @@ namespace Game.AI
             else
                 _victimGuid.Clear();
         }
+
+        public override void AttackStart(Unit victim) { }
     }
 }