Fixed a bug where the play queue view would not always correctly scroll

to the playing track on startup after restoring the session.

src/musikcore/support/Playback.cpp

@@ -107,6 +107,8 @@ namespace musik {
                         if (index >= 0) {
                             double time = prefs->GetDouble(keys::LastPlayQueueTime, 0.0f);
                             playback.Prepare(index, time);
+                            playback.QueueEdited(); /* hack to get the play queue view to scroll
+                                to the track we just prepared. */
                         }
                     });
                 }