Merge pull request #11288 from umbraco/v9/bugfix_for_2fa_user_auth

Fixed bug where the wrong schema was signed in when using 2fa.

Author: nikolajlauridsen

src/Umbraco.Web.Common/Security/UmbracoSignInManager.cs

@@ -362,7 +362,7 @@ protected override async Task<SignInResult> SignInOrTwoFactorAsync(TUser user, b
                 {
                     // Store the userId for use after two factor check
                     var userId = await UserManager.GetUserIdAsync(user);
-                    await Context.SignInAsync(IdentityConstants.TwoFactorUserIdScheme, StoreTwoFactorInfo(userId, loginProvider));
+                    await Context.SignInAsync(TwoFactorAuthenticationType, StoreTwoFactorInfo(userId, loginProvider));
                     return SignInResult.TwoFactorRequired;
                 }
             }
@@ -372,7 +372,7 @@ protected override async Task<SignInResult> SignInOrTwoFactorAsync(TUser user, b
                 await Context.SignOutAsync(ExternalAuthenticationType);
             }
             if (loginProvider == null)
-            {                
+            {
                 await SignInWithClaimsAsync(user, isPersistent, new Claim[] { new Claim("amr", "pwd") });
             }
             else