Fix some Coverity and SonarCube bugs
These commits should fix some bugs reported by Coverity and SonarCube
La vérification des quotas de chaque projet est mise en place en mode non bloquant. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=146834656
Quota verification is enabled for projects in non-blocking mode. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=146834656
These commits should fix some bugs reported by Coverity and SonarCube