Two consumer updates left out of 8a6c926: like_button.dart and
track_actions_sheet.dart still referenced the removed
likedIdsProvider.notifier API. Switched to the new
likesControllerProvider.toggle().
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
LikedIdsController loads /api/likes/ids once and mutates the local set
on toggle. Failed mutations roll the set back so the icon never lies.
Wired into ArtistDetail header, AlbumDetail header, and per-track in
the album track list.