Highlight the playlist in the left panel on play (#2025)

* Fixed bad smart playlist field s

* first try to add playlist highlight

* Simplified calls

* Now works for grids too.

* Derive the playlist highlight from the currently-playing track's origin instead of a stale global field.

* addressed comments

src/renderer/store/player.store.ts

@@ -1640,6 +1640,7 @@ export const usePlayerStoreBase = createWithEqualityFn<PlayerState>()(
                 const excludedPlayerKeys = ['playerNum', 'seekToTimestamp', 'status'];
 
                 // If we're not restoring the play queue, we don't need the index property
+                // (it is meaningless without the queue)
                 if (!shouldRestorePlayQueue) {
                     excludedPlayerKeys.push('index');
                 }
@@ -2076,6 +2077,7 @@ export const updateQueueSong = (songId: string, updatedSong: Song) => {
                 const uniqueId = song._uniqueId;
                 state.queue.songs[song._uniqueId] = {
                     ...updatedSong,
+                    _contextPlaylistId: song._contextPlaylistId,
                     _uniqueId: uniqueId,
                 };
             }
@@ -2083,6 +2085,10 @@ export const updateQueueSong = (songId: string, updatedSong: Song) => {
     });
 };
 
+export const useCurrentPlaylistContextId = () => {
+    return usePlayerStoreBase((state) => state.getCurrentSong()?._contextPlaylistId ?? null);
+};
+
 export const usePlayerMuted = () => {
     return usePlayerStoreBase((state) => state.player.muted);
 };