avatar: Use HdyAvatar
Makes Contacts.Avatar a wrapper around HdyAvatar. This allows us to drop our custom fallback and circular avatar code in favor of HdyAvatar.
Fixes #183 (closed)
Related to Initiatives#20
Makes Contacts.Avatar a wrapper around HdyAvatar. This allows us to drop our custom fallback and circular avatar code in favor of HdyAvatar.
Fixes #183 (closed)
Related to Initiatives#20