OSIS-4728 updated view to use service to create Training with program tree, groups and postpone them
OSIS-4728 updated view to use service to create Training with program tree, groups and postpone them

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