[BUGFIX] Add hsc to new icon link in TypoScript module

As a a followup to the recent icon patch
this changes the link to be HSCed on output.

Resolves: #63320
Relates: #63309
Releases: master
Change-Id: Ief51923f1442b3d1bc5b08f1da10e01be86cfe22
Reviewed-on: http://review.typo3.org/34598
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>