It was added by bug 13552 but removed by 19793.
Test plan:
Update patron in a batch and confirm that you can modify the restriction
expiration and comment.
Signed-off-by: Joonas Kylmälä <joonas.kylmala@helsinki.fi>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>