Fixes #4171 - Avatar upload fails on cropping image.
Fixes #4171 - Avatar upload fails on cropping image.

zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad,zammad/zammad