Add audio track selection to video player OSD

[1hitsong]

Changes

Adds audio track selection popup to video player's OSD

Demo

Audiotrackselection.mp4

[jellyfin-bot]

This pull request has been inactive for 21 days and will be automatically closed in 7 days if there is no further activity.

[jellyfin-bot]

This pull request has been inactive for 21 days and will be automatically closed in 7 days if there is no further activity.

[jellyfin-bot]

This pull request has merge conflicts. Please resolve the conflicts so the PR can be reviewed. Thanks!

[jimdogx]

Verified:

1. Can select alternate track.
2. Can switch back to original track.
3. If alternate track is selected before playing, Select Audio dialog shows that the alternate is already selected.
4. Switched back and forth a bunch of times 😄

[tjlouie]

Was this new feature added? I'm unable to see the audio track selection in the OSD, tested with multiple .mkv files with multiple audio tracks. There is no icon to the right of the "CC" icon on multiple Roku devices on the 2.0.7 client and Jellyfin server 10.9.6

[jimdogx]

This was merged to the Master branch, not the 2.0.z branch. So it would go out with the next major release (2.1.0 or 3.0).

[mikewhitby]

Thanks @1hitsong this is really useful