fix: VOMS2CSSynchronizer: strip leading and trailing whitespaces from nickname

Author: fstagni

src/DIRAC/ConfigurationSystem/Client/VOMS2CSSynchronizer.py

@@ -281,7 +281,7 @@ def syncCSWithVOMS(self):
                 # We have a real new user
                 if not diracName:
                     if nickName:
-                        newDiracName = nickName
+                        newDiracName = nickName.strip()
                     else:
                         newDiracName = self.getUserName(dn)