[TASK] Make cropper presets usable with keyboard

The aspect ratio buttons in the image cropping tool
have a visible focus state now to make them usable
when navigating with the keyboard tab key.

Additionally the button can now be pressed with
the space and return key.

Resolves: #103760
Releases: main, 12.4
Change-Id: Id221daddeee9d5b61497cb74604dbf151d25e3ee
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84079


Tested-by: Andreas Kienast <a.fernandez@scripting-base.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Andreas Kienast <a.fernandez@scripting-base.de>
Tested-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>