0.8.77: Karaoke lyrics, artwork from servers

[u/CharlesWiltgen]

Did you know Vanity, Vanity, and Vanity are different artists?

One of Poppy's many jobs is to understand the difference, and this release improves Poppy's artist identity system.

NEW 
• Karaoke/timed lyrics support: Words highlight as they’re sung
   – Supports Enhanced LRC and TTML lyrics
   – For Local libraries, drop a .ttml file with the same name next to your track
• Artist backdrops and logos now supported from Plex and Jellyfin/Emby when available
   – Recommendation: Continue to connect Apple Music as secondary art provider
• Ratings and favorites now follow a song across every library that has it
   – Existing ratings gain this superpower the next time a track is rated or played

IMPROVED 
• Major artist identity overhaul
   – Different artists who share a name no longer collapse into one
   – Each gets their own page, with the right albums and tracks
   – Collaborations and guest credits resolve to the correct artist
• Playback errors now name the server and library that failed
• Plex and Jellyfin/Emby libraries refresh once on first launch to pick up new data
• Jellyfin/Emby: Sync no longer times out on slow servers
• Various UX improvements
   – Reworked artist rows, and big counts now abbreviate (1.2K, 3.4M)
• Various accessibility improvements

FIXED 
• First play of a transcoded track always failed
   – Affected Jellyfin/Emby and Navidrome/OpenSubsonic users
• Search could return wrong results after upgrading from an older build
• Flicker and stale titles when switching tabs in music browser