[Bug]: Last line of lyric (word-synced) sometimes doesn't play animation

I have already checked through the existing (both open AND closed) bug reports and found no duplicates

• Yes

App Version

1.17.0

Music Server and Version

Navidrome v0.64.0

What local environments are you seeing the problem on?

Desktop Windows

What happened?

It appears that most tracks, when reaching the last line, sometimes fails to trigger the word-synced animation for the very last line, instead leaving it partially dimmed (ready to sing).

Steps to reproduce

1. Play a track with word-synced lyrics
2. Observe the very last line

Relevant log output