Removes UmbracoApplicationAuthorizeAttribute and migrates usages to authz policies

src/Umbraco.Web.BackOffice/Controllers/MemberController.cs

@@ -7,6 +7,7 @@ using System.Net.Http;
 using System.Net.Mime;
 using System.Text;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
@@ -24,6 +25,7 @@ using Umbraco.Core.Services;
 using Umbraco.Core.Services.Implement;
 using Umbraco.Core.Strings;
 using Umbraco.Extensions;
+using Umbraco.Web.BackOffice.Authorization;
 using Umbraco.Web.BackOffice.Filters;
 using Umbraco.Web.BackOffice.ModelBinders;
 using Umbraco.Web.Common.Attributes;
@@ -41,7 +43,7 @@ namespace Umbraco.Web.BackOffice.Controllers
     /// access to ALL of the methods on this controller will need access to the member application.
     /// </remarks>
     [PluginController(Constants.Web.Mvc.BackOfficeApiArea)]
-    [UmbracoApplicationAuthorize(Constants.Applications.Members)]
+    [Authorize(Policy = AuthorizationPolicies.SectionAccessMembers)]
     [OutgoingNoHyphenGuidFormat]
     public class MemberController : ContentControllerBase
     {