[BUGFIX] Broken tests due to modified PostProcessor constructor

Issue #31951 introduced a breaking change in changing the order
of constructor arguments in the form PostProcessor. This could
have been avoided since new TypoScriptFactory object is and was
a singleton.

Resolves: #59549
Releases: 6.2
Change-Id: I1134d4440437e9fe03129241e63c0f0004712176
Reviewed-on: https://review.typo3.org/30714
Reviewed-by: Marc Bastian Heinrichs
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader