[Koha] Unimarc Default framework

Hello! Please correct in the Unimarc Default framework. In Unimarc fields 600 and 601, and 712$5 are optional. https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=34540 Good Luck! Igor A. Sychev Tomsk Polytechnic University https://lib.tpu.ru