[BUGFIX] Add cropVariant support for broken GalleryProcessor

Since the ImageManipulation wizard supports multiple crop variants, the
GalleryProcessor is broken. This patch add support for multiple crop variants
in the GalleryProcessor and MediaViewHelper

Resolves: #79698
Related: #75880
Releases: master
Change-Id: I588c5a4b3d44110fa8460094bd4c9fe950b5cc53
Reviewed-on: https://review.typo3.org/51596


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Helmut Hummel <typo3@helhum.io>
Tested-by: Helmut Hummel <typo3@helhum.io>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>