OMA-112: add write permission flag in group infos
OMA-22: add order by to teached, my and favorite courses
no-jira: add missing error for phone mobile at office
OMA-22: implement a minimal version of the UserVO specifically for contacts
OO-645: only one identifier for the assessment tool's tables, show first name and last name as default
Merge OpenOLAT 8.4 to OpenOLAT default branch with 7a8d305e4683b329d551ec8b930c89a8bde1a63c