Rework parental ratings (#12615)

Emby.Server.Implementations/Library/SplashscreenPostScanTask.cs

@@ -11,7 +11,6 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Querying;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Library;
@@ -78,15 +77,15 @@ public class SplashscreenPostScanTask : ILibraryPostScanTask
             CollapseBoxSetItems = false,
             Recursive = true,
             DtoOptions = new DtoOptions(false),
-            ImageTypes = new[] { imageType },
+            ImageTypes = [imageType],
             Limit = 30,
             // TODO max parental rating configurable
-            MaxParentalRating = 10,
-            OrderBy = new[]
-            {
+            MaxParentalRating = new(10, null),
+            OrderBy =
+            [
                 (ItemSortBy.Random, SortOrder.Ascending)
-            },
-            IncludeItemTypes = new[] { BaseItemKind.Movie, BaseItemKind.Series }
+            ],
+            IncludeItemTypes = [BaseItemKind.Movie, BaseItemKind.Series]
         });
     }
 }