[BUGFIX] Allow long cookie names

With this patch cookie names longer than 32 chars are possible.

Resolves: #79566
Releases: master, 7.6
Change-Id: I5132defab6e7524ed4aaf48ea29e44da40aee516
Reviewed-on: https://review.typo3.org/51483


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>