fix: missing code for browser for OIDC (#12355)

browser/app/js/browser/utils.js

@@ -14,3 +14,15 @@
  * limitations under the License.
  */
 
+export const OPEN_ID_NONCE_KEY = 'openIDKey'
+
+export const buildOpenIDAuthURL = (authEp, authScopes, redirectURI, clientID, nonce) => {
+  const params = new URLSearchParams()
+  params.set("response_type", "id_token")
+  params.set("scope", authScopes.join(" "))
+  params.set("client_id", clientID)
+  params.set("redirect_uri", redirectURI)
+  params.set("nonce", nonce)
+
+  return `${authEp}?${params.toString()}`
+}