slapos_erp5: recalculate Instance local_roles as soon as Instance Tree user changes

5 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS-Master.UnitTest-Master

02:03:03

passed SlapOS.Eggs.UnitTest-Master.Python2

03:02:55

failed SlapOS.Eggs.UnitTest-Master.Python3

00:23:27

passed SlapOS-Master.UnitTest-Master

01:50:33

failed SlapOS.Eggs.UnitTest-Master.Python3

00:17:45