Core/Conditions: CONDITION_NEAR_CREATURE will exclude personal spawns that aren't the target's owner

Port From (https://github.com/TrinityCore/TrinityCore/commit/d2641c4924022369d4af595925bf04d034db5d72)

Source/Game/Entities/Object/WorldObject.cs

@@ -1139,12 +1139,8 @@ namespace Game.Entities
 
                     Creature creature = obj.ToCreature();
                     if (creature)
-                    {
-                        TempSummon tempSummon = creature.ToTempSummon();
-                        if (tempSummon)
-                            if (tempSummon.IsVisibleBySummonerOnly() && GetGUID() != tempSummon.GetSummonerGUID())
-                                return false;
-                    }
+                        if (TempSummon.IsPersonalSummonOfAnotherPlayer(creature, GetGUID()))
+                            return false;
                 }
 
                 GameObject go = obj.ToGameObject();

Source/Game/Entities/TemporarySummon.cs

@@ -43,6 +43,16 @@ namespace Game.Entities
             return !m_summonerGUID.IsEmpty() ? ObjectAccessor.GetCreature(this, m_summonerGUID) : null;
         }
 
+        public static bool IsPersonalSummonOfAnotherPlayer(Creature summon, ObjectGuid playerToCheck)
+        {
+            TempSummon tempSummon = summon.ToTempSummon();
+            if (tempSummon != null)
+                if (tempSummon.IsVisibleBySummonerOnly() && playerToCheck != tempSummon.GetSummonerGUID())
+                    return true;
+
+            return false;
+        }
+        
         public override void Update(uint diff)
         {
             base.Update(diff);