Log Message:
audio/spotify-qt: update to 3.7

Fixes:
-Fixed possible crash when playing library items with large amounts of tracks.
-Fixed not saving last playlist if application closed directly after.
-Fixed not properly handling loading invalid album art from API.
-Fixed not re-enabling the search box when pasting an ID.
-Fixed showing incorrect artist in context when track had multiple artists.

Changes:
-Added a new tab to search for searching in liked tracks.
-Search results for tracks now show album name.
-Both sidebars now have an adjustable width.
-Reworked audio features for improved accuracy.
-Search box is now automatically selected when opening search.
-Sorting in tracks list is now case-insensitive and ignores "The" prefixes.
-Added an option to embed title bar into toolbar (enabled by default).
-Album cover art, and artist covers, are now loaded asynchronously.
-Playlists no longer refresh if they haven't changed since last being loaded.
-Artist albums are now grouped by category.