Discogs Index Tracks Won't Transfer Over

[finnaboing]

I've used the "Import Tracks" feature many a time, but there's one tiny issue: "index" tracks on Discogs (tracks that are listed as sub-patrs of a header) won't transfer over, it'll only import non-index tracks. For albums that are comprised, say, entirely of index tracks (like most classical releases), this can make the "Import Tracks" feature basically useless.

Take https://www.discogs.com/release/11394910-Rossini-Serenata-Of-London-The-6-String-Sonatas-Original-Quartet-Version this release, for instance. Every single track is an index track, meaning that if I were to import the tracks, the only things that'd show up would be the heading and sub-headings.
https://rateyourmusic.com/release/album/serenata-of-london/the-6-string-sonatas/ This is the corresponding release to that Discogs page. I've already added the tracklist and had the correction approved, if you need some kind of reference.