itp_server: make attempt on detached goal appear detached
This prevents having valid proof attempt under detached goals in the IDE.
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
This prevents having valid proof attempt under detached goals in the IDE.