Admin page (#324)

* Updates based on documentation

* Getting the build passing

* Getting app functioning

* A few cleanups to confirm it's working as expected

* Fixing functional tests

* Updating dockerfile for 3.0

* Functional Tests now run sequentially

* Updating to latest version of moq

* Adding migration for post 3.0 upgrades

* Removing commented out lines

* Moving address and catalogitemordered configuration in to classes that own them

* Adding admin user

* Adding admin catalog screen

- will also only display menu option if user is logged in as an admin

* WIP - squash this

* Allow user to edit a catalog item

* Adding entry for new service

* Invalidating cache after catalog item update

- also a little bit of cleanup

* Fixing bad merge

* Removing Picture Uri and making Id readonly

* Adjusting style in menu dropdown so all options are shown

* Creating Cache helpers with unit tests

tests/FunctionalTests/Web/CustomWebApplicationFactory.cs

@@ -64,8 +64,8 @@ namespace Microsoft.eShopWeb.FunctionalTests.Web.Controllers
 
                         // seed sample user data
                         var userManager = scopedServices.GetRequiredService<UserManager<ApplicationUser>>();
-
-                        AppIdentityDbContextSeed.SeedAsync(userManager).Wait();
+                        var roleManager = scopedServices.GetRequiredService<RoleManager<IdentityRole>>();
+                        AppIdentityDbContextSeed.SeedAsync(userManager, roleManager).Wait();
                     }
                     catch (Exception ex)
                     {