Quick fix to the manpage

- Fix typo
- Add config example
Avoid animations when toggling notifications

- When we toggle notifications on/off, there might be a big disparity
  between the amount of notifications. The default action when the
  notification count changed was to scroll to the last animation,
  however this is particularly annoying when toggling notifications.
- We not respond to the notificationsToggled() signal and just move
  the ListView index without animating this change.
- The same behaviour is also adopted when the Window in hidden