Check_MK Werk 4200: Fix computation of Event Console performance snapin in distributed mode

ID: 4200 Title: Fix computation of Event Console performance snapin in distributed mode Component: Event Console Level: 2 Class: Bug Fix Version: 1.4.0i4 This contents of the sidebar snapin {{Event Console Performance}} showed invalid data in case of a multi-sited distributed Event Console: It only show data from one random instance. This has been fixed.