[web] Display a Roles option in the community menu
Summary:
If the user has CHANGE_ROLE permissions, we want to allow them to see the 'Roles' option in the community actions menu. Implementation will come in the following diffs, this just gets the icon /
option shown.
Depends on D8591
Test Plan:
Checked that the option shows for my local admin user only
Reviewers: atul, ginsu
Reviewed By: atul, ginsu
Subscribers: ashoat, tomek
Differential Revision: https://phab.comm.dev/D8592