message: Existential check for channel
diff: class="Color--channel-#{channel && channel.get('status')}"
  )
  input.Input.ChannelCreate__input.js-title(
  - class="ChannelCreate__input--#{channel.get('status')}"
  + class="ChannelCreate__input--#{channel && channel.get('status')}"
  name='title'
  value= channel && channel.get('title')
  placeholder='Type channel name'
  