[BUGFIX] Hide hidden content elements in page module

There is a checkbox in page module to show hidden content elements.
If this checkbox is not selected the hidden content elements must be
hidden.

Additionally hidden elements must not be accessible/focusable by
keyboard.

Resolves: #103626
Releases: main, 12.4
Change-Id: Id8f4b98938ae27e3bd3d3e7903c3f50588d554b8
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83781


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Willi Wehmeier <wwwehmeier@gmail.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Willi Wehmeier <wwwehmeier@gmail.com>