Fix reuse image field in API
Fix reuse image field in API

jphnoel/udata,opendatateam/udata,jphnoel/udata,etalab/udata,etalab/udata,grouan/udata,grouan/udata,opendatateam/udata,opendatateam/udata,grouan/udata,etalab/udata,davidbgk/udata,davidbgk/udata,jphnoel/udata,davidbgk/udata