Добавил настройки для аутентификации

NewStores/Store/Program.cs

+using Microsoft.AspNetCore.Authentication.Cookies;
 using Microsoft.AspNetCore.Identity;
 using Store.Extensions;
 using Store.Models;
@@ -22,6 +23,19 @@ services.Configure<IdentityOptions>(options =>
     options.Password.RequiredUniqueChars = 1;
 });
 
+services.ConfigureApplicationCookie(options =>
+{
+    options.AccessDeniedPath = "/Accounts/AccessDenied";
+    options.Cookie.Name = "YourAppCookieName";
+    options.Cookie.HttpOnly = true;
+    options.ExpireTimeSpan = TimeSpan.FromMinutes(60);
+    options.LoginPath = "/Accounts/Login";
+    // ReturnUrlParameter requires 
+    //using Microsoft.AspNetCore.Authentication.Cookies;
+    options.ReturnUrlParameter = CookieAuthenticationDefaults.ReturnUrlParameter;
+    options.SlidingExpiration = true;
+});
+
 var app = builder.Build();
 
 AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);