[BUGFIX] Make GifBuilder calculation of filename hash faster

The GifBuilder calculation does not need all of setup
to calculate the values for the filename.

Therefore, only the relevant parameters are used, making
the shortMD5 call faster, according to the ticket author.

Resolves: #64158
Releases: master
Change-Id: I9ffd1e1f8a14c8f3904e83f251122225562de606
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62234


Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Susanne Moog <look@susi.dev>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>