Add `visible` to the discreet information item

[adrianthedev]

Context

We can't mark an item as invisible.

  self.discreet_information = [
    :timestamps,
    {
      tooltip: -> { "link" },
      url: -> { "https://google.com },
      url_target: "_blank",
      visible: -> { CONDITION_HERE } 
    }
  ]