[BUGFIX] Fix misuse of in_array function in RequestBuilder of Extbase

The function array_key_exists should be used instead.

Resolves: #94792
Releases: master
Change-Id: I19ca8fd7b003ba796d3a963d4fa0c6e7d3cdf061
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70408


Tested-by: core-ci <typo3@b13.com>
Tested-by: Roman Büchler <info@buechler.pro>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: crell <larry@garfieldtech.com>
Reviewed-by: Roman Büchler <info@buechler.pro>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>