[TASK] Rename submodule TypoScript Overview

The module "TypoScript Record Overview" also contains site
sets since #103439. The module labels are therefore generalized
into "TypoScript Overview".

Also show which entries are site sets and which are records.

Resolves: #104730
Releases: main
Change-Id: I83877d0a1ef5efdf6f1a82caedaed542bceb68d9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/85776


Tested-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>