fixes defect where claims where only applies on login but not during
account linking making only the second login take them into account
fixes: https://github.com/go-gitea/gitea/issues/32566
This pull request adds an option to automatically verify SSH keys from
LDAP authentication sources.
This allows a correct authentication and verification workflow for
LDAP-enabled organizations; under normal circumstances SSH keys in LDAP
are not managed by users manually.