OSIS-4652 update osis role doc with a_tag_modal_target_has_perm
OSIS-4652 update osis role doc with a_tag_modal_target_has_perm

uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis