message: Handle group channels in bookmarklet connection selection
diff: +- isGroup = channel.group && channel.group.id
  +- identifiable = isGroup ? channel.group : channel.user
  +- name = isGroup ? identifiable.name : identifiable.username
  +
  span(
  href="/#{channel.user.slug}/#{channel.slug}"
  data-selected= channel[key]
  )
  span.Connect__item-label.js-label
  - = channel.user.full_name
  + = name
  span.Separator
  span( class="Color--channel-#{channel.status}" )
  = channel.title
  