[FEATURE] Page title providers visible in admin panel

The PageTitleProviders are now visible within the adminpanel debug panel.
Since this information is in no way available when the page is cached,
there's a message to view the page in uncached mode.

Resolves: #88609
Releases: master
Change-Id: I15b3187fb219ea488ea88950906545391994bc24
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61116


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>