[BUGFIX] beuser: Remove col-icon class if icon is an avatar

Resolves: #70715
Releases: master
Change-Id: I9afb55c2283ac9cb2ef07dfbb2eb13ff0df84c60
Reviewed-on: http://review.typo3.org/44095


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: TimoF <timo.formella@illusion-factory.de>
Tested-by: TimoF <timo.formella@illusion-factory.de>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>