RuntimeException: Failed to start the session because headers have already been sent

Problem/Motivation

Drupal 9.2 has broken the redirection in hook_login. Here is reference https://www.drupal.org/project/drupal/issues/3219320

Steps to reproduce

1. Upgrade to Drupal 9.2
2. Configure option "Redirect users to Subscription page after login" on Stripe API config page
3. Try logging in and see the error logged

Proposed resolution

Fix redirection according to this comment https://www.drupal.org/project/redirect_after_login/issues/3214949#comme...