Focus Item in tracklist

[Arthi-chaud]

The expanded player has a button to go to a release page (labeled with the currently playing song). It would be nice if, in the release page, the song was focused.

• In the release page, the song's button should be highlighted
• If needed, we should scroll so that the button is visible
• If we click anywhere else, the button should not be highlighted anymore

---

After experimenting a bit, there are a few challenges to consider:

• In SSR, Next's router does not provide hashes