fix scroll position

src/app/modules/songs/services/song-data.service.ts

@@ -11,13 +11,20 @@ export class SongDataService {
   private dbService = inject(DbService);
 
   private collection = 'songs';
-  public list$: Observable<Song[]> = this.dbService.col$<Song>(this.collection).pipe(
+  private loadedList$: Observable<Song[]> = this.dbService.col$<Song>(this.collection).pipe(
+    shareReplay({
+      bufferSize: 1,
+      refCount: false, // keep the listener alive after first subscription to avoid reloading on navigation
+    })
+  );
+  public list$: Observable<Song[]> = this.loadedList$.pipe(
     startWith([] as Song[]), // immediate empty emit keeps UI responsive while first snapshot arrives
     shareReplay({
       bufferSize: 1,
       refCount: false, // keep the listener alive after first subscription to avoid reloading on navigation
     })
   );
+  public listLoaded$ = (): Observable<Song[]> => this.loadedList$;
 
   public read$ = (songId: string): Observable<Song | null> => this.dbService.doc$(this.collection + '/' + songId);
   public update$ = async (songId: string, data: Partial<Song>): Promise<void> => await this.dbService.doc(this.collection + '/' + songId).update(data);

src/app/modules/songs/services/song-list.resolver.ts

@@ -12,6 +12,6 @@ export class SongListResolver {
   private songService = inject(SongService);
 
   public resolve(): Observable<Song[]> {
-    return this.songService.list$().pipe(take(1));
+    return this.songService.listLoaded$().pipe(take(1));
   }
 }

src/app/modules/songs/services/song.service.ts

@@ -26,6 +26,7 @@ export class SongService {
   public static LEGAL_TYPE: SongLegalType[] = ['open', 'allowed'];
 
   public list$ = (): Observable<Song[]> => this.songDataService.list$; //.pipe(tap(_ => (this.list = _)));
+  public listLoaded$ = (): Observable<Song[]> => this.songDataService.listLoaded$();
   public read$ = (songId: string): Observable<Song | null> => this.songDataService.read$(songId);
   public read = (songId: string): Promise<Song | null> => firstValueFrom(this.read$(songId));