FAB-7836 Fix "No identity type provided" Error

Fix the following error:
[[{"code":0,"message":"No identity type provided. Please provide identity type"}]]

Change-Id: I5a0b04aadbf87d1661f9605f0eb4ec9b2dbab62a
Signed-off-by: Abdul Rauf <abdulraufmujahid@gmail.com>

Author: armujahid

fabcar/registerUser.js

@@ -53,7 +53,7 @@ Fabric_Client.newDefaultKeyValueStore({ path: store_path
 
     // at this point we should have the admin user
     // first need to register the user with the CA server
-    return fabric_ca_client.register({enrollmentID: 'user1', affiliation: 'org1.department1'}, admin_user);
+    return fabric_ca_client.register({enrollmentID: 'user1', affiliation: 'org1.department1',role: 'client'}, admin_user);
 }).then((secret) => {
     // next we need to enroll the user with CA server
     console.log('Successfully registered user1 - secret:'+ secret);