OSIS-4875 create separated _get_initial_form_kwargs
OSIS-4875 create separated _get_initial_form_kwargs

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