[TASK] Extract site persistence into separate service

The SiteConfiguration service is currently needed during installation
phase for writing site configurations. This limits symfony dependency
injection usage and basically requires that all services needed by
SiteConfiguration need to be defined and manually wired in
ServiceProvider php code.

The writing part is now split into a separate service that can be used
in EXT:install SetupService as before.

Resolves: #103450
Releases: main
Change-Id: I9cb579ade537c794ce7c1a844b3d7bec7c1b653e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83557


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Jörg Bösche <typo3@joergboesche.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>