[BUGFIX] Allow integers as sort value in ArrayUtility::sortArraysByKey

Cast the value to strings before using strcasecmp for sorting.
This allows to use integers for sorting the array.

Resolves: #102573
Releases: main, 12.4
Change-Id: I2dea688e6e5a24e7292a1fede2ca294f8bbd3347
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84631


Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: core-ci <typo3@b13.com>