[TASK] Unify confvals for config section (#1162)

* [TASK] Unify confvals for config section

Replace aspect table with confval where not yet happened.

Use unified names

We should have a look at the default values in a follow up. Some
are missing, some are integers for type boolean.

Releases: main, 12.4

* Update Documentation/Setup/Config/Index.rst

Co-authored-by: Chris Müller <[email protected]>

* [TASK] Indent TypoScript

---------

Co-authored-by: Chris Müller <[email protected]>