Merge pull request #1810 from overleaf/jel-sso-unlink

Include CSRF token in POST request

GitOrigin-RevId: 9371993971e81ad3f7301427d1a5ed7be5bb1a01

services/web/public/src/main/oauth/controllers/UserOauthController.js

@@ -60,6 +60,7 @@ define(['base'], App =>
           }
           // Data for update
           const data = {
+            _csrf: window.csrfToken,
             link: false,
             providerId
           }