Set header correctly and use current url as returnUrl when checking session

utils/auth-client/index.js

@@ -66,7 +66,7 @@ export default class AuthenticationClient {
   }
 
   checkSession(resolve, reject) {
-    this.webAuth.checkSession({state: {}}, (err, result) => {
+    this.webAuth.checkSession({state: {returnUrl: window.location.href}}, (err, result) => {
       if (err) {
         return reject(err || 'Re-authentication failed');
       } else {