message: Fixed white screen when add/remov-ing mem from group
diff: @@ -97,7 +97,18 @@ class GroupController extends Controller {
  }
  if (ctx.request.accepts('text/html')) {
  - ctx.redirect(303, group.href);
  + const group = await principalService.findByExternalId(ctx.params.id, 'group');
  + const isAdmin = await privilegeService.hasPrivilege(ctx, 'admin');
  + const members = await groupService.findMembers(group);
  +
  + ctx.response.body = hal.item(
  + group,
  + await privilegeService.getPrivilegesForPrincipal(group),
  + isAdmin,
  + await groupService.findGroupsForPrincipal(group),
  + members,
  + );
  + ctx.redirect(200, group.href);
  } else {
  ctx.status = 204;
  }
  