PlaybackManager: fix PlaybackManager NotesPlaybackEventOccured event returning empty array (#5)

src/Playback/PlaybackManager.ts

@@ -748,8 +748,8 @@ export class PlaybackManager implements IPlaybackParametersListener {
 
                                 if (this.highlightPlayedNotes) {
                                     note.ParentNote.state = NoteState.Selected;
-                                    playbackedNotes.push(note);
                                 }
+                                playbackedNotes.push(note);
                             }
                         }