Is your feature request related to a problem? Please describe.
When I used the old Ubiquity installer for Ubuntu I accidently uncheked the option "Login without password" now every time that I reboot or boot up the system it doesn't ask me for password unless I select Logout and enter it myself. I am using XFCE I went to Users and accounts and uncheked the "Dont ask for password on login", but that didn't solve the problem. The only other option is to go to "/etc/lightdm/lightdm.conf" and change it from there, but if you don't know what you are doing you could break your system that's why I didn't mess with it. Having this option in Linutil could solve this problem. In Gnome and KDE it's pretty easy, but on other DE or Tiling WM it isn't unless you know what you are doing.

Describe the solution you'd like
Would it be possible to add Enable/Disable option in Linutil it could detect what Distro, DE or TilingWM you are using it would ask you for your password and it could Disable or Enable auto login by your choice.

Describe alternatives you've considered
If possible maybe Linutil could detect various installers depending if you are using the Anaconda, Ubiquity, Ubuntu's new Flutter or Calamares the Linutil could detect that and give you the option for enable or disable after you finish the installation by asking for your password.

Additional context