Show all notifications regarding to the license at the top of the page

app/views/layouts/_broadcast.html.haml

-- if license_message.present? && !current_license.trial?
-  .broadcast-message
-    = icon('bullhorn')
-    = license_message
-
 - BroadcastMessage.current&.each do |message|
   = broadcast_message(message)
-

app/views/layouts/header/_ee_trial_banner.html.haml

-- if current_license&.trial? && license_message.present?
-  .alert.alert-dismissible.gitlab-ee-trial-banner.hidden.js-gitlab-ee-trial-banner{ role: 'alert', data: { license_expiry: current_license.expires_at }}
+- if license_message.present?
+  .alert.alert-dismissible.gitlab-ee-trial-banner.hidden.js-gitlab-ee-trial-banner{ role: 'alert', data: { license_expiry: current_license.expires_at } }
     %button.close{ type: 'button', 'data-dismiss' => 'alert', 'aria-label' => 'Dismiss banner' }
       = icon('times', 'aria-hidden' => 'true')
     %p