In the community action sheet, we want to introduce a 'Roles' option that will navigate to a screen listing all of the community roles and respective member counts. Since that involves navigation,
the `action` key/value will come later, and this just shows the option in the action sheet.
Depends on D8332
[[ https://linear.app/comm/issue/ENG-4166/show-roles-option-in-community-action-sheet | ENG-4166 ]]