Fix relay on get_playlist

src/invidious/user/exports.cr

@@ -35,6 +35,8 @@ struct Invidious::User
                 json.object do
                   json.field "title", playlist.title
                   json.field "id", playlist.id
+                  json.field "video_count", playlist.video_count
+                  json.field "updated", playlist.updated
                 end
               end
             end

src/invidious/user/imports.cr

@@ -105,8 +105,7 @@ struct Invidious::User
       if youtube_playlists = data["youtube_playlists"]?.try &.as_a?
         playlists.each do |item|
           begin
-            playlist = get_playlist(item["id"])
-            subscribe_playlist(user, playlist)
+            subscribe_playlist(user, item)
           rescue ex
           end
         end