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/shared/types/domain-types.ts

@@ -73,6 +73,7 @@ export interface QueueData {
 }
 
 export type QueueSong = Song & {
+    _contextPlaylistId?: null | string;
     _uniqueId: string;
 };