v1.5.9

Fixes

• Fixed gc (jump to current track) crashing on Queue and Liked Songs — scroll_to_cursor() doesn't exist on Textual's DataTable. Removed the bogus calls; move_cursor() already scrolls by default (fixes #52, thanks @dmnmsc)
• Fixed Queue "Now Playing" header not updating on track change — call_from_thread() raises RuntimeError when called from the same thread as the app, and the bare except was silently swallowing it. Player events are already on the main thread, so we now call the update method directly (fixes #56, thanks @dmnmsc)

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