* system setting to disable password login
* fix linter warning
* fix indentation warning
* Prohibit disable-password-login if no identity providers are configured
* Warnings and explicit confirmation when en-/disabling password-login
- Disabling password login now gives a warning and requires a second
confirmation which needs to be explicitly typed.
- (Re)Enabling password login now also gives a simple warning.
- Removing an identity provider while password-login is disabled now
also warns about possible problems.
* Fix formatting
* Fix code-style
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Co-authored-by: traumweh <5042134-traumweh@users.noreply.gitlab.com>