Core/AI: Fix remaining charming issue

Port From (https://github.com/TrinityCore/TrinityCore/commit/dab7e5688c55d4b785a9277d15ea55e075870849)

Source/Game/AI/CoreAI/CreatureAI.cs

@@ -57,6 +57,9 @@ namespace Game.AI
                         me.EngageWithTarget(lastCharmer);
                 }
                 me.LastCharmerGUID.Clear();
+
+                if (!me.IsInCombat())
+                    EnterEvadeMode(EvadeReason.NoHostiles);
             }
 
             base.OnCharmed(isNew);

Source/Game/AI/SmartScripts/SmartAI.cs

@@ -760,6 +760,9 @@ namespace Game.AI
                             me.EngageWithTarget(lastCharmer);
                     }
                     me.LastCharmerGUID.Clear();
+
+                    if (!me.IsInCombat())
+                        EnterEvadeMode(EvadeReason.NoHostiles);
                 }
             }