Small enhancements.

app/models/observer/ticket/notification/background_job.rb

@@ -44,7 +44,8 @@ class Observer::Ticket::Notification::BackgroundJob
     notification_subject = ''
     recipients.each do |user|
 
-      next if ticket.updated_by_id == ticket.owner_id
+      next if ticket.updated_by_id == user.id
+      next if !user.active
 
       # create desktop notification
 

app/models/ticket/history_log.rb

@@ -16,7 +16,6 @@ returns
 =end
 
   def history_log (type, user_id, data = {})
-
     data[:o_id]                   = self['id']
     data[:history_type]           = type
     data[:history_object]         = self.class.name