Fix backtest delete and save

src/Managing.Infrastructure.Database/MongoDb/Collections/BacktestDto.cs

@@ -22,5 +22,6 @@ namespace Managing.Infrastructure.Databases.MongoDb.Collections
         public UserDto User { get; set; }
         public PerformanceMetrics Statistics { get; set; }
         public double Score { get; set; }
+        public string Identifier { get; set; }
     }
 }