Title: #5875: [Backport][ipa-4-9] stageuser: add ipauserauthtypeclass when required
This PR was opened automatically because PR #5871 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5875/head:pr5875
git checkout pr5875