checked tracks not syncing/displaying properly

[shape5]

previously, if you checked tracks from an album and dragged them to a playlist, the check didn't carry over to the playlist. so you had to check them again in the playlist after adding them so they would show up in your 'songs' list under 'your music'.  the checkmark next to the track should be sync'd in all locations of that track, whether in a playlist, album, or search result.

now if you check/uncheck a track from the album page, then the corresponding track if it exists in the playlist will sync, but if you check/uncheck a track from the playlist, the corresponding track on the album will not change accordingly.  so playlist checks respond to album checks but album checks do not respond to playlist checks.  it should be sync'd both ways.

I also just noticed that on the album page if you hover the mouse over a track's + (add) or √ (check) icon it will give you a text pop-up 'help flag' that says "save to your music" or "remove from your music" but in the playlists these help flags do not display.