Bring back showing of members of groups on groups admin page (BB-14636)

Issue #11570 open
Joe Carroll
created an issue

I like that the groups page shows a summary of # of people and # of repos in a group. But quickly looking at members of that group is a challenge. In big orgs with many projects / groups having the quick glance is essential

https://bitbucket.org/account/user/<account>/groups/