Fix Authorize attributes

Jellyfin.Api/Controllers/AttachmentsController.cs

@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
-using MediaBrowser.Controller.Net;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 
@@ -16,7 +16,7 @@ namespace Jellyfin.Api.Controllers
     /// Attachments controller.
     /// </summary>
     [Route("Videos")]
-    [Authenticated]
+    [Authorize]
     public class AttachmentsController : Controller
     {
         private readonly ILibraryManager _libraryManager;