In case FD not find a mapping for supann attribute display it directly in place of empty

Descriptive title for this enhancement

In case FD not find a mapping for supann attribute display it directly in place of empty

Actual behavior

It display an empy name, if we save it we will maybe lose the value

Expected behavior

See at least the ldap value directly so it not disturb the user that think we have lost a value

Step by step description of new behaviour

Go in suppann tab for a user
Add an element in a supann attributes and save
Remove it from the suppan files and edit the user again

Benefits

Less disturb the user when the value is not visible