fix: user data changes not cleared

Ragon.Client/Sources/Handler/RoomListHandler.cs

@@ -17,6 +17,7 @@ internal class RoomListHandler: IHandler
   {
     var roomCount = reader.ReadUShort();
     var roomList = new RagonRoomInformation[roomCount];
+    
     for (int i = 0; i < roomCount; i++)
     {
       var id = reader.ReadString();

Ragon.Client/Sources/RagonUserData.cs

@@ -98,6 +98,7 @@ namespace Ragon.Client
         }
       }
 
+      _changesCache.Clear();
       _localChanges.Clear();
     }
   }