def created_updated_tooltip_text(format: :short)
      created_at = l(model.created_at.utc, format: format)
      updated_at = l(model.updated_at.utc, format: format)

      return created_at if created_at == updated_at

      # add `white-space: pre-wrap;` to .qtip-content
      "#{created_at} (edited #{updated_at})"
    end
def created_updated_tooltip_text(format: :short)
      created_at = l(model.created_at.utc, format: format)
      updated_at = l(model.updated_at.utc, format: format)

      return created_at if created_at == updated_at

      # add `white-space: pre-wrap;` to .qtip-content
      "#{created_at} (edited #{updated_at})"
    end
TODO: make sure that note, comment, etc is touched when the
       ActivityObject is edited

 Creates the title/tooltip. If the model has been updated, it returns
 a multiline string.
 If not, it returns the created_at value

 @param format [Symbol]

 @return [String]