RadioGroup:With default value

Build 1240 on dzucconi/chore/storybook-upgrade
1200px
Reviewing disabled
The baseline is wider than the new snapshot (1200x134 to 1168x134).
Baseline History
Build 1240864b19e
Current build. There are unaccepted changes, so build 450 is still the baseline.
Build 4480129882
Accepted by Kieran.
Build 42030ddb14
Accepted by Christopher Pappas.
Commenting is disabled because there's a newer build on this branch