OSIS-3859 Remove default content_type='application/json' for JsonResponse
OSIS-3859 Remove default content_type='application/json' for JsonResponse

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