fix: 🐛 Fix claims map dropdown not having a default value (#1497)

ui/admin/app/components/form/auth-method/oidc/index.js

@@ -13,6 +13,11 @@ export default class FormAuthMethodOidcComponent extends Component {
    */
   toClaims = options.oidc.account_claim_maps.to;
 
+  /**
+   * @type {string}
+   */
+  newToClaim = options.oidc.account_claim_maps.to[0];
+
   /**
    * @type {string}
    */