[TASK] Early return in case title tag should not be rendered

To avoid unnecessary initialization of page
title providers and calling any stdWrap, an
early return is added to `TSFE::generatePageTitle`
for the case that `noPageTitle` is set to "2",
as this means do not render the title tag at all.

Resolves: #102555
Releases: main, 12.4
Change-Id: Ia879218e84db865bce11bca8c61f33c7266884b5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82037


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Andreas Kienast <a.fernandez@scripting-base.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Andreas Kienast <a.fernandez@scripting-base.de>