Le dialogue de confirmation de fermeture de calculette ne se ferme pas correctement

Reproduction du bug : ouvrir plus d'une calculette, en fermer une, cliquer oui sur la confirmation : le dialogue reste ouvert.

mentioned in commit b715b61b

By Grand Francois on 2018-01-04T17:20:58 (imported from GitLab)

closed via commit b715b61b

By Grand Francois on 2018-01-10T16:10:29 (imported from GitLab)

closed via merge request !1 (merged)

By Grand Francois on 2018-01-10T16:10:30 (imported from GitLab)