Closed Issue: [1.3] Wrong tab is activated when closing the active one [11813]

Current code (DockingManager.cs):
 
var docToActivate = Documents.OrderBy(d => d.LastActivation).FirstOrDefault();
 
Should be:
 
var docToActivate = Documents.OrderByDescending(d => d.LastActivation).FirstOrDefault();
Comments: Old or obsolete issue. Please ask for reopen if needed in version 2.0