1. rebase with main and update autoinstall-system-setup.yml
2. provide a more unified indent style
3. update get_userandgroups() to the dropped one
4. fix the problematic os action
5. simply asignments
6. assign default_loader a default value
7. provide a type-to-file dict in wsl_conf
8. provide stderr info when providing error in creating user
9. update schema and example files
Load all the server controller independently whether it is in first
configuration or reconfiguration mode.
Co-authored-by: Didier Roche <didrocks@ubuntu.com>