[TASK] Cleanup PageTitle API

[TASK] Cleanup PageTitle API

Some small indentation fixes.

Resolves: #86123
Releases: master
Change-Id: Idd5cc7f9cb206516930e5a888449d1204ee9ae11
Reviewed-on: https://review.typo3.org/58156
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <no-reply@typo3.com>