[BUGFIX] Properties dateOfBirth and activatedOn are always set

The properties dateOfBirth and activatedOn are always set to the
current date automatically in the domain object. This has been
introduced in the bug fix for issue #59014 and results that user
entities are always active.

Resolves: #60323
Change-Id: Iaa630b47a3fda4c1c15827d9f2ba95e0bf66cb74
Reviewed-on: http://review.typo3.org/31622
Reviewed-by: Sebastian Fischer <typo3@evoweb.de>
Tested-by: Sebastian Fischer <typo3@evoweb.de>