Fix stop/restart

src/Managing.Application/Abstractions/ITradingBot.cs

@@ -20,7 +20,7 @@ namespace Managing.Application.Abstractions
         List<Position> Positions { get; set; }
         Dictionary<DateTime, decimal> WalletBalances { get; set; }
         Dictionary<IndicatorType, IndicatorsResultBase> IndicatorsValues { get; set; }
-        DateTime StartupTime { get; set; }
+        DateTime StartupTime { get; }
         DateTime CreateDate { get; }
         DateTime PreloadSince { get; set; }
         int PreloadedCandlesCount { get; set; }