software/theia: Add further improvements

See merge request !876
4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:25:01

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:34:25

passed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

05:16:22

passed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

04:14:48