Add user to position + fix few things

src/Managing.Api/Controllers/TradingController.cs

@@ -136,9 +136,9 @@ public class TradingController : BaseController
                 nameof(moneyManagementName));
         }
 
+        var user = await GetUser();
         if (moneyManagement != null)
         {
-            var user = await GetUser();
             moneyManagement = await _moneyManagementService.GetMoneyMangement(user, moneyManagementName);
         }
 
@@ -149,6 +149,7 @@ public class TradingController : BaseController
             ticker,
             PositionInitiator.User,
             DateTime.UtcNow,
+            user,
             isForPaperTrading: isForPaperTrading,
             price: openPrice);
         var result = await _openTradeCommandHandler.Handle(command);