Remove custom Json serializer from MediaBrowser.Controller

MediaBrowser.Controller/Entities/CollectionFolder.cs

@@ -4,9 +4,11 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Json;
 using MediaBrowser.Controller.IO;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
@@ -26,8 +28,6 @@ namespace MediaBrowser.Controller.Entities
     {
         public static IXmlSerializer XmlSerializer { get; set; }
 
-        public static IJsonSerializer JsonSerializer { get; set; }
-
         public static IServerApplicationHost ApplicationHost { get; set; }
 
         public CollectionFolder()
@@ -122,7 +122,8 @@ namespace MediaBrowser.Controller.Entities
             {
                 LibraryOptions[path] = options;
 
-                var clone = JsonSerializer.DeserializeFromString<LibraryOptions>(JsonSerializer.SerializeToString(options));
+                var jsonOptions = JsonDefaults.GetOptions();
+                var clone = JsonSerializer.Deserialize<LibraryOptions>(JsonSerializer.Serialize(options, jsonOptions), jsonOptions);
                 foreach (var mediaPath in clone.PathInfos)
                 {
                     if (!string.IsNullOrEmpty(mediaPath.Path))