Core/Objects: Added GameObject type parameter to FindGameObjectOptions

Port From (https://github.com/TrinityCore/TrinityCore/commit/52102a6395bc6244bdcfa55e357425bd5c9aefc4)

Source/Game/Entities/Object/WorldObject.cs

@@ -4088,5 +4088,6 @@ namespace Game.Entities
 
         public ObjectGuid? OwnerGuid;
         public ObjectGuid? PrivateObjectOwnerGuid;
+        public GameObjectTypes? GameObjectType;
     }
 }

Source/Game/Maps/GridNotifiers.cs

@@ -2525,6 +2525,9 @@ namespace Game.Maps
             if (_args.IgnoreNotOwnedPrivateObjects && !go.CheckPrivateObjectOwnerVisibility(_obj))
                 return false;
 
+            if (_args.GameObjectType.HasValue && go.GetGoType() != _args.GameObjectType)
+                return false;
+
             _customizer.Update(go);
             return true;
         }