fix empty user id check for api keys

Jellyfin.Api/Auth/DefaultAuthorizationPolicy/DefaultAuthorizationHandler.cs

@@ -38,9 +38,10 @@ namespace Jellyfin.Api.Auth.DefaultAuthorizationPolicy
         /// <inheritdoc />
         protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, DefaultAuthorizationRequirement requirement)
         {
+            var isApiKey = context.User.GetIsApiKey();
             var userId = context.User.GetUserId();
             // This likely only happens during the wizard, so skip the default checks and let any other handlers do it
-            if (userId.Equals(default))
+            if (!isApiKey && userId.Equals(default))
             {
                 return Task.CompletedTask;
             }
@@ -56,7 +57,7 @@ namespace Jellyfin.Api.Auth.DefaultAuthorizationPolicy
             }
 
             // Admins can do everything
-            if (context.User.GetIsApiKey() || context.User.IsInRole(UserRoles.Administrator))
+            if (isApiKey || context.User.IsInRole(UserRoles.Administrator))
             {
                 context.Succeed(requirement);
                 return Task.CompletedTask;