Implements Public Access in netcore (#10137)

* Getting new netcore PublicAccessChecker in place

* Adds full test coverage for PublicAccessChecker

* remove PublicAccessComposer

* adjust namespaces, ensure RoleManager works, separate public access controller, reduce content controller

* Implements the required methods on IMemberManager, removes old migrated code

* Updates routing to be able to re-route, Fixes middleware ordering ensuring endpoints are last, refactors pipeline options, adds public access middleware, ensures public access follows all hops

* adds note

* adds note

* Cleans up ext methods, ensures that members identity is added on both front-end and back ends. updates how UmbracoApplicationBuilder works in that it explicitly starts endpoints at the time of calling.

* Changes name to IUmbracoEndpointBuilder

* adds note

* Fixing tests, fixing error describers so there's 2x one for back office, one for members, fixes TryConvertTo, fixes login redirect

* fixing build

* Fixes keepalive, fixes PublicAccessMiddleware to not throw, updates startup code to be more clear and removes magic that registers middleware.

* adds note

* removes unused filter, fixes build

* fixes WebPath and tests

* Looks up entities in one query

* remove usings

* Fix test, remove stylesheet

* Set status code before we write to response to avoid error

* Ensures that users and members are validated when logging in. Shares more code between users and members.

* Fixes RepositoryCacheKeys to ensure the keys are normalized

* oops didn't mean to commit this

* Fix casing issues with caching, stop boxing value types for all cache operations, stop re-creating string keys in DefaultRepositoryCachePolicy

* bah, far out this keeps getting recommitted. sorry

Co-authored-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Web.Website/Controllers/UmbLoginController.cs

@@ -65,8 +65,11 @@ namespace Umbraco.Cms.Web.Website.Controllers
                         : CurrentPage.AncestorOrSelf(1).Url(PublishedUrlProvider));
                 }
 
-                // Redirect to current page by default.
-                return RedirectToCurrentUmbracoPage();
+                // Redirect to current URL by default.
+                // This is different from the current 'page' because when using Public Access the current page
+                // will be the login page, but the URL will be on the requested page so that's where we need
+                // to redirect too.
+                return RedirectToCurrentUmbracoUrl();
             }
 
             if (result.RequiresTwoFactor)