Remove some LINQ queries

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -2950,12 +2950,12 @@ namespace MediaBrowser.Controller.Entities
 
         public IEnumerable<BaseItem> GetThemeSongs()
         {
-            return ThemeSongIds.Select(LibraryManager.GetItemById).Where(i => i.ExtraType.Equals(Model.Entities.ExtraType.ThemeSong)).OrderBy(i => i.SortName);
+            return ThemeSongIds.Select(LibraryManager.GetItemById);
         }
 
         public IEnumerable<BaseItem> GetThemeVideos()
         {
-            return ThemeVideoIds.Select(LibraryManager.GetItemById).Where(i => i.ExtraType.Equals(Model.Entities.ExtraType.ThemeVideo)).OrderBy(i => i.SortName);
+            return ThemeVideoIds.Select(LibraryManager.GetItemById);
         }
 
         /// <summary>