fix pundit authentication in departement level controllers
Created by: adipasquale
https://trello.com/c/4pdDmnK7/1083-r%C3%A9parer-authentification-partie-sectorisation
broken in https://github.com/betagouv/rdv-solidarites.fr/commit/d087e7a1e73c01a53e4c3857b8ac145ce7196522
it's surprising no tests failed but that part is under-tested. it may be acceptable because sectorisation is almost unused