[FOLLOWUP][CLEANUP] Early returns for DataHandler::copyRecord() and friends

[FOLLOWUP][CLEANUP] Early returns for DataHandler::copyRecord() and friends

A missing parenthesis destroys the boolean logic so a
couple of functional tests fail.

Related: #67336
Releases: master
Change-Id: I4544ebf5b339d85f65bcf2aa1fa03daf39c7b656
Reviewed-on: http://review.typo3.org/40299
Reviewed-by: Daniel Maier <dani-maier@gmx.de>
Tested-by: Daniel Maier <dani-maier@gmx.de>
Reviewed-by: Andreas Wolf <andreas.wolf@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>