Add missing CN control to identity form for required field validation

Author: tacxou

defaults/identities/jsonforms/inetorgperson.local.ui.yml

@@ -8,6 +8,11 @@ elements:
         scope: "#/properties/uid"
         options:
           required: true
+      - type: Control
+        label: CN
+        scope: "#/properties/cn"
+        options:
+          required: true
       - type: Control
         label: Nom
         scope: "#/properties/sn"