slapos_panel: create Note event for Bulletin

Keep the event only visible to managers

master/bt5/slapos_panel/SkinTemplateItem/portal_skins/slapos_panel/Base_addSlapOSBulletin.py

@@ -12,6 +12,7 @@ if context.getPortalType() == 'Project':
 else:
   project = context.getFollowUpValue()
 support_request = project.Project_createTicketWithCausality(
+  'Note',
   title,
   description,
   causality=context.getRelativeUrl(),