[BUGFIX] Use hash_equals when comparing cryptographic hash values

Resolves: #91510
Releases: master, 10.4, 9.5
Change-Id: I5bfda8310342718dc696b182fd87b1954a6cdc39
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64590


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Daniel Haupt <mail@danielhaupt.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>