Prompting the user for a region makes sense when loading from a file,
but not from the gallery.

CreateAvatarJob does two things:

• copies from KIO
• goes via a KPixmapRegionSelector and saves to a local file

We know the gallery files are locally mounted, and we don't want the
region selector so we can just skip the job completely.

Set avatar from file. Got prompt, saved properly
Set avatar from gallery. Skipped prompt, saved properly