# Which Problems Are Solved
After migrating the access token events in #7822, milestones based on
authentication, resp. theses events would not be reached.
# How the Problems Are Solved
Additionally use the `oidc_session.Added` event to check for
`milestone.AuthenticationSucceededOnInstance` and
`milestone.AuthenticationSucceededOnApplication`.
# Additional Changes
None.
# Additional Context
- relates to #7822
- noticed internally
* feat: return 404 or 409 if org reg disallowed
* fix: system limit permissions
* feat: add iam limits api
* feat: disallow public org registrations on default instance
* add integration test
* test: integration
* fix test
* docs: describe public org registrations
* avoid updating docs deps
* fix system limits integration test
* silence integration tests
* fix linting
* ignore strange linter complaints
* review
* improve reset properties naming
* redefine the api
* use restrictions aggregate
* test query
* simplify and test projection
* test commands
* fix unit tests
* move integration test
* support restrictions on default instance
* also test GetRestrictions
* self review
* lint
* abstract away resource owner
* fix tests
* configure supported languages
* fix allowed languages
* fix tests
* default lang must not be restricted
* preferred language must be allowed
* change preferred languages
* check languages everywhere
* lint
* test command side
* lint
* add integration test
* add integration test
* restrict supported ui locales
* lint
* lint
* cleanup
* lint
* allow undefined preferred language
* fix integration tests
* update main
* fix env var
* ignore linter
* ignore linter
* improve integration test config
* reduce cognitive complexity
* compile
* fix(console): switch back to saved language
* feat(API): get allowed languages
* fix(console): only make allowed languages selectable
* warn when editing not allowed languages
* check for duplicates
* remove useless restriction checks
* review
* revert restriction renaming
* fix language restrictions
* lint
* generate
* allow custom texts for supported langs for now
* fix tests
* cleanup
* cleanup
* cleanup
* lint
* unsupported preferred lang is allowed
* fix integration test
* allow unsupported preferred languages
* lint
* load languages for tests
* cleanup
* lint
* cleanup
* get allowed only on admin
* cleanup
* reduce flakiness on very limited postgres
* simplify langSvc
* refactor according to suggestions in pr
* lint
* set first allowed language as default
* selectionchange for language in msg texts
* initialize login texts
* init message texts
* lint
---------
Co-authored-by: peintnermax <max@caos.ch>
