[Bug] Empty track artist tag in few releases

[viviancels]

🐞 Bug Report

Describe the bug

No track artist tag: https://i.postimg.cc/k4XBQCfq/2023-08-18-095844.png

https://www.qobuz.com/gb-en/album/oldtimers-andrew-cash/4250928386892
https://www.qobuz.com/gb-en/album/fortuna-sunlight-project/4251177547249
https://www.qobuz.com/gb-en/album/7-seasons-higher-ep-andrew-cash/4250605311179
https://www.qobuz.com/gb-en/album/all-that-comes-blue-through-the-porthole-andrew-cash/4250928373403
https://www.qobuz.com/gb-en/album/crossover-ep-andrew-cash/4250325395596
https://www.qobuz.com/gb-en/album/lanai-andrew-cash/4250928350114
https://www.qobuz.com/gb-en/album/tempus-fugit-sunlight-project-amax-dj/4250928321961

etc

Only album artist tag presents if checked

[DJDoubleD]

It seems Qobuz sometimes uses the tag "Performer" instead of "MainArtist" a role for the track artist(s) in the string of performers:

vs

I'll need to add this role name to the performers mapping and also foresee a general fallback in case there are other role tags Qobuz uses that I'm not yet aware off.