Problem Description
When you copy and paste a group (with events and...) The "sid" of the new group is OK, but the "sid" of events, conditions, ... is duplicated
Note: you need to check xml source file.
    
Steps to Reproduce Bug
    -  Make a "Group"
    
-  Add an "Event"
    
-  Copy - Paste the group
Observed Result
"sid" in xml are duplicated
    
Expected Result
new "sid" generated
    
Construct 2 Version ID
Tested in 227 and 231