Core/Condition: Implemented condition CONDITION_PRIVATE_OBJECT

Port From (https://github.com/TrinityCore/TrinityCore/commit/f28b4eed3d875ccedde574b0abc7258290b4c0a3)

Source/Framework/Constants/ConditionConst.cs

@@ -62,6 +62,7 @@ namespace Framework.Constants
         ScenarioStep = 54,           // ScenarioStepId          0              0                  true if player is at scenario with current step equal to ScenarioStepID
         SceneInProgress = 55,        // SceneScriptPackageId    0              0                  true if player is playing a scene with ScriptPackageId equal to given value
         PlayerCondition = 56,        // PlayerConditionId       0              0                  true if player satisfies PlayerCondition
+        PrivateObject = 57,          // 0                       0              0                  true if entity is private object
         Max
     }
 

Source/Game/Conditions/Condition.cs

@@ -435,6 +435,11 @@ namespace Game.Conditions
                     }
                     break;
                 }
+                case ConditionTypes.PrivateObject:
+                {
+                    condMeets = !obj.GetPrivateObjectOwner().IsEmpty();
+                    break;
+                }
                 default:
                     break;
             }
@@ -556,6 +561,9 @@ namespace Game.Conditions
                 case ConditionTypes.PlayerCondition:
                     mask |= GridMapTypeMask.Player;
                     break;
+                case ConditionTypes.PrivateObject:
+                    mask |= GridMapTypeMask.All & ~GridMapTypeMask.Player;
+                    break;
                 default:
                     Cypher.Assert(false, "Condition.GetSearcherTypeMaskForCondition - missing condition handling!");
                     break;

Source/Game/Conditions/ConditionManager.cs

@@ -1796,6 +1796,7 @@ namespace Game
                 case ConditionTypes.Charmed:
                 case ConditionTypes.Taxi:
                 case ConditionTypes.Gamemaster:
+                case ConditionTypes.PrivateObject:
                     break;
                 case ConditionTypes.DifficultyId:
                     if (!CliDB.DifficultyStorage.ContainsKey(cond.ConditionValue1))