improvement/OSIS-4056 add partial_title(_english) to schema
improvement/OSIS-4056 add partial_title(_english) to schema

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