[PM-3513] Show API error when SSO policy is enforced.

src/App/Pages/Accounts/LoginPasswordlessRequestViewModel.cs

@@ -12,6 +12,7 @@ using Bit.App.Utilities;
 using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
+using Bit.Core.Exceptions;
 using Bit.Core.Models.Domain;
 using Bit.Core.Models.Response;
 using Bit.Core.Services;
@@ -277,6 +278,10 @@ namespace Bit.App.Pages
                     await HandleLoginCompleteAsync();
                 }
             }
+            catch (ApiException ex) when (ex?.Error?.StatusCode == System.Net.HttpStatusCode.BadRequest)
+            {
+                HandleException(ex, ex?.Error?.Message);
+            }
             catch (Exception ex)
             {
                 StartCheckLoginRequestStatus();