[FEATURE] Add fluid debug information to admin panel

This patch adds a new option to the admin panel to show debug information
about partials and sections in frontend.

Resolves: #76085
Releases: master
Change-Id: I3d37118280ef713db6d92a734f30c0f8bd4ae8eb
Reviewed-on: https://review.typo3.org/50095


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>