- Add selection mode to PlayerQueue with long-press to select
- Disable inner navigation (title/artist) when selecting via TrackTile
- Show checkboxes only in selection mode
- Add selection AppBar behavior and bottom-sheet menu with: Select all, Add to playlist, Remove selected, Cancel
- Reuse existing PlaylistAddTrackDialog for bulk add
- Hide drag handle while in selection mode
Closes: # (implement multi-select queue feature)
* feat: add riverpod based favorite album provider
* feat: add album is saved, new releases and tracks providers
* feat: add artist related providers
* feat: add all categories providers
* feat: add lyrics provider
* feat: add playlist related providers
* feat: add search provider
* feat: add view and spotify friends provider
* feat: add playlist create and update and favorite handlers
* feat: use providers in home screen
* chore: fix dart lint issues
* feat: use new providers for playlist and albums screen
* feat: use providers in artist page
* feat: use providers on library page
* feat: use provider for playlist and album card and heart button
* feat: use provider in search page
* feat: use providers in generate playlist
* feat: use provider in lyrics screen
* feat: use provider for create playlist
* feat: use provider in add track dialog
* feat: use providers in remaining pages and remove fl_query
* fix: remove direct access to provider.value
* fix: glitching when loading
* fix: user album loading next page indicator
* feat: make many provider autoDispose after 5 minutes of no usage
* fix: ignore episodes in tracks
