Steps to reproduce:
- Active Directory groups mapping
- Add some entries with identical XWiki groups or Active Directory groups
- Save the configuration

Results:
Go back to the configuration:
Some entries were saved as merged of other entries.


e.g.: When the a XWiki Group is added multiple times, the value in Active Directory Group is added the same input multiple times. And the other way around, when the values in Active Directory Groups added are the same, in the XWiki Group the values are merge in the same field.
Steps to reproduce:
Results:
Go back to the configuration:
Some entries were saved as merged of other entries.
e.g.: When the a XWiki Group is added multiple times, the value in Active Directory Group is added the same input multiple times. And the other way around, when the values in Active Directory Groups added are the same, in the XWiki Group the values are merge in the same field.