[TASK] Save 2 calls to the runtime cache in DataHandler

By just getting the value and checking what is returned instead of
calling the runtime cache twice for each call

Resolves: #83181
Releases: master
Change-Id: Ic5802bf57faa5f8e38c35f9405918d5076697332
Reviewed-on: https://review.typo3.org/54894


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>