DMS: handle gracefully unauthorized ingestion scenarios

See merge request !1846
11 jobs for fix/libreoffice7-percentage
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

failed ERP5.UnitTest-Master

failed ERP5.UnitTest-Zope2

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:38

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:51

passed Wendelin.UnitTest-Master

00:40:28

passed SlapOS.Eggs.UnitTest-Master.Python2

passed SlapOS.Eggs.UnitTest-Master.Python2

00:18:22

passed SlapOS.Eggs.UnitTest-Master.Python2

00:15:54

passed SlapOS.Eggs.UnitTest-Master.Python3

failed Wendelin.UnitTest-Master

00:41:46