An additional check is applied to prevent
an InvalidArgumentException for cases where
`checkPid_value` contains an empty string.

Resolves: #102751
Releases: main, 12.4
Change-Id: I906837e75ab505af1e46f55eeccd068c24005e98
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82372


Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Oliver Bartsch <bo@cedev.de>