This code handled the RD-specific behaviour of choosing which files to download, and only getting those links from the API, rather than what DL does: downloading all files and having the api consumer pick which links they want to download.
Uses `TorrentClientTorrent.Files` instead of `.Links` to get download links. Also adds `DownloadLink` to `Files` when `Map`ping to `TorrentClientTorrent`
