Improve migrations
The following improvements regarding data migration from v2 have been made:
- Migration is once again enabled if
migrate-from
is set - Question Variant -> Content Group
- Auth Provider and loginId handling for OIDC, SAML and anonymized profiles
- Prefixes for Auth Providers are removed from loginId
- Slide and Flashcard content formats are now supported and migrated
- Support for content solution/hint property (only one of them, solution > hint)
Edited by Daniel Gerhardt