Fix db and fix endpoints

src/Managing.Application.Abstractions/Repositories/ITradingRepository.cs

@@ -17,6 +17,7 @@ public interface ITradingRepository
     Task InsertScenarioAsync(Scenario scenario);
     Task InsertIndicatorAsync(IndicatorBase indicator);
     Task<IEnumerable<Scenario>> GetScenariosAsync();
+    Task<IEnumerable<Scenario>> GetScenariosByUserAsync(User user);
     Task<IEnumerable<IndicatorBase>> GetStrategiesAsync();
     Task<IEnumerable<IndicatorBase>> GetIndicatorsAsync();
     Task DeleteScenarioAsync(string name);