[BUGFIX] Fix NumberRangeValidator using startRange and endRange

Re-enable the validation using "startRange" and "endRange" in
NumberRangeValidator instead of using the default values from "minimum"
and "maximum".

Resolves: #72047
Releases: 6.2
Change-Id: I11b7f3699f60964906f2b84a5581491ce255e3ac
Reviewed-on: https://review.typo3.org/45109


Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>