[BUGFIX] Cast integer values in Fluid ViewHelpers

Cast decimals input arguments to integer before using them in
number_format().

Resolves: #99283
Releases: main, 11.5
Change-Id: If0f49d644c99b212ffb7dd3a774e4dcba8baa2c7
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76954


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>