Bug 12224: (follow-up) Access old_issues table when editing notice

Bug 12224: (follow-up) Access old_issues table when editing notice

This QA follow-up allows access to the old_issues table when editing the
notice in Tools.

Signed-off-by: Alexandra Speer <alexandra.speer@bsz-bw.de>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Christian Stelzenmüller <christian.stelzenmueller@bsz-bw.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>