[TASK] Remove second parameter of sL - Part 1/3

Remove the second parameter of sL and replace it
with htmlspecialchars directly in the code.

Resolves: #76325
Related: #71917
Releases: master
Change-Id: I6267c45daeddf9a652ad63acb014c824721df25f
Reviewed-on: https://review.typo3.org/48338


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>