Make the party avatar display in a circle
Related features: https://source.puri.sm/Librem5/use-cases/issues/106 #53 (closed)
Some general Avatar work in GNOME:
https://gitlab.gnome.org/felipeborges/user-image-generator
https://gitlab.gnome.org/GNOME/Initiatives/issues/6
from #28 (closed)
Edited by Bob Ham