Core/Players: Implemented PlayerDataElementAccount, PlayerDataElementCharacter, PlayerDataFlagAccount and PlayerDataFlagCharacter

Port From (https://github.com/TrinityCore/TrinityCore/commit/60400d25f5fff2dabd4aa74bbdbc0d2370360a35)

Source/Game/Entities/Object/Update/UpdateFields.cs

@@ -3804,6 +3804,7 @@ namespace Game.Entities
                 data.WriteInt64(Int64Value);
             }
         }
+
         public void WriteUpdate(WorldPacket data, bool ignoreChangesMask, Player owner, Player receiver)
         {
             data.WriteUInt32(Type);