Use htmlspecialchars instead of the 2nd Parameter in getLL/sL for all
files in backend\Classes\Backend

Resolves: #72280
Releases: master
Change-Id: I68c5c0e209c544a46581c2478e722b9d3b6926d6
Reviewed-on: https://review.typo3.org/45326


Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>