* enable iframe rendering in code block

* fix eslint issue

Fix incorrect timeline month display

* chore: added tooltip for vacuum button

- At the moment only has text for English language therefore other JSON files need to be updated accordingly

* Update en.json

Signup is not allowed if password login is disabled

If password login is disabled in the system configuration, the "signup" in the "/auth" page disappears, but the user can manually enter "/auth/signup" to access the system by creating a new user.

* Fix DatePicker by passing in Timezone to API

* Add some clarity

It's just a matter of explicitly closing the database, so that TempDir.removeAll doesn't fail.