reshaped user access object, added 401 page.

Middleware/Authen.cs

@@ -40,6 +40,7 @@ namespace CarCareTracker.Middleware
                 var userIdentity = new List<Claim>
                 {
                     new(ClaimTypes.Name, "admin"),
+                    new(ClaimTypes.NameIdentifier, "-1"),
                     new(ClaimTypes.Role, nameof(UserData.IsRootUser))
                 };
                 appIdentity.AddClaims(userIdentity);