[BUGFIX] Fix stdWrap.replacement boolean properties handling

Cast the properties useRegExp and useOptionSplitReplace
to boolean and fix the if condition logic.

Resolves: #85015
Releases: master, 9.5
Change-Id: I99b7bd1b793e1dfbd7584fe539eee878e39acbfd
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/58945


Tested-by: Susanne Moog <look@susi.dev>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Benni Mack <benni@typo3.org>