[auth_ldap] fix add displayName when create

flaschengeist/plugins/auth_ldap/__init__.py

@@ -113,6 +113,8 @@ class AuthLDAP(AuthPlugin):
                     "mail": user.mail,
                 }
             )
+            if user.display_name:
+                attributes.update( {"displayName": user.display_name})
             ldap_conn.add(dn, self.object_classes, attributes)
             self._set_roles(user)
             self.update_user(user)