Check_MK Werk 5564: Fixed site filter when using "analyse notification"

ID: 5564 Title: Fixed site filter when using "analyse notification" Component: Notifications Level: 1 Class: Bug fix Version: 1.5.0i2 When analyzing notifications forwarded from remote sites, the site filter did not work as intended. The site filter was always using the local (central) site ID as value for OMD_SITE instead of the origin site.