[BUGFIX] Set TYPO3FontAwesome only on before

Resolves: #75873
Releases: master
Change-Id: Id307137d750001567a1a91ef4994b6edc67e7bbc
Reviewed-on: https://review.typo3.org/47866


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>