Groups: improve pending memberships, standardize "authorize/reject" buttons throughout the UI
Summary
- Fixes creating a private group.
- Adds a "pending requests" row (and a counter) within group members for group admins.
- Create a new
AuthorizeRejectButtons
component used in groups and throughout the UI. - Fixes the Column back button having a square focus ring.
Screenshots (if appropriate):
Also, I standardized these buttons across the UI: