several small ui updates, plus hopefully a track-matching fix for real this time

src/routes/subsonic/browsing.rs

@@ -1091,12 +1091,9 @@ pub async fn get_similar_songs2(req: HttpRequest, state: web::Data<AppState>) ->
         Ok(playlist) => {
             let mut songs = Vec::new();
             for pt in &playlist.tracks {
-                if let Ok(track) =
+                if let Ok(track) = queries::tracks::get_by_id(state.db.conn(), pt.track_id).await {
-                    queries::tracks::get_by_id(state.db.conn(), pt.track_id).await
-                {
                     songs.push(
-                        serde_json::to_value(SubsonicChild::from_track(&track))
+                        serde_json::to_value(SubsonicChild::from_track(&track)).unwrap_or_default(),
-                            .unwrap_or_default(),
                     );
                 }
             }