[TASK] Use a cast to float instead of doubleval

The method doubleval is an alias of floatval and
this could be used. But using a cast to float is
quicker.

Resolves: #78617
Releases: master
Change-Id: If5d6c39583534a1878bd94b41f37f3e523627d77
Reviewed-on: https://review.typo3.org/50549


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>