[TASK] Replace sprite icon "status-status-reference-soft" with the new IconFactory

Replaces all IconUtility::getSpriteIcon calls for the icon
status-status-reference-soft with the new IconFactory.

Resolves: #69695
Releases: master
Change-Id: I8ffbf549305d0ec701de2f0137df9e5b21c26f94
Reviewed-on: http://review.typo3.org/43229


Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Tested-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>