Use the existing PlayerRevealOverlay for "Play On" actions instead of
the PlayerPickerSheet popup modal. This provides a more consistent UX
by reusing the same player selection interface throughout the app.
- Add onPlayerSelected callback and contextHint to PlayerRevealOverlay
- Add showPlayerSelectorForAction helper to GlobalPlayerOverlay
- Refactor album, artist, playlist, podcast, audiobook, and search screens
- Add localization strings for context-specific hints
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>