[Feature request] [5.0.0b2] Playlist navigation button no longer available from the main player

[LoganAtlas]

Checklist

• [x] I have searched for existing issues (open and closed) and confirmed this feature hasn't been requested before
• [x] I believe this feature request will benefit more than 10% of users, not just myself

Feature Description

In PipePipe 4.7.4, it was possible to navigate the current playlist directly from the main player, even during full-screen playback (button next to the playback speed button). This feature was useful, and it would be great if it were included in the new version.