ComboboxItemSelector.razor improvements, fixes, etc...

AyCode.Blazor.Components/Services/AcSignalRClientBase.cs

@@ -120,15 +120,15 @@ namespace AyCode.Blazor.Components.Services
         {
             return GetAllAsync<List<T>>(messageTag, response =>
             {
+                intoList.Clear();
+
                 if (response.Status != SignalResponseStatus.Success || response.ResponseData == null)
                 {
                     Logger.Error($"GetAllIntoAsync<{typeof(T).Name}>(); status: {response.Status}; dataCount: {response.ResponseData?.Count}; {ConstHelper.NameByValue(TagsName, messageTag)};");
                     return Task.CompletedTask;
                 }
 
-                intoList.Clear();
                 intoList.AddRange(response.ResponseData);
-
                 return Task.CompletedTask;
             }, contextParams);
         }
@@ -160,7 +160,9 @@ namespace AyCode.Blazor.Components.Services
                         Logger.Error(errorText);
 
                         //TODO: Ideiglenes, majd a ResponseMessage-et kell visszaadni a Status miatt! - J.
-                        throw new Exception(errorText);
+                        return await Task.FromException<TResponse>(new Exception(errorText));
+
+                        //throw new Exception(errorText);
                         //return default;
                     }