Make trickplay response ids have no dashes

Emby.Server.Implementations/Dto/DtoService.cs

@@ -1060,7 +1060,9 @@ namespace Emby.Server.Implementations.Dto
 
                 if (options.ContainsField(ItemFields.Trickplay))
                 {
-                    dto.Trickplay = _itemRepo.GetTrickplayManifest(item);
+                    // To stay consistent with other fields, this must go from a Guid to a non-dashed string.
+                    // This does not seem to occur automatically to dictionaries like it does with other Guid fields.
+                    dto.Trickplay = _itemRepo.GetTrickplayManifest(item).ToDictionary(x => x.Key.ToString("N", CultureInfo.InvariantCulture), y => y.Value);
                 }
 
                 if (video.ExtraType.HasValue)

MediaBrowser.Model/Dto/BaseItemDto.cs

@@ -572,7 +572,7 @@ namespace MediaBrowser.Model.Dto
         /// Gets or sets the trickplay manifest.
         /// </summary>
         /// <value>The trickplay manifest.</value>
-        public Dictionary<Guid, Dictionary<int, TrickplayTilesInfo>> Trickplay { get; set; }
+        public Dictionary<string, Dictionary<int, TrickplayTilesInfo>> Trickplay { get; set; }
 
         /// <summary>
         /// Gets or sets the type of the location.