OSIS-3460 Fix AcademicEventRepository update method
OSIS-3460 Fix AcademicEventRepository update method

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