Initial attempt to fix broken files URLs when delivered through Drupal with a root folder.
requested to merge issue/s3fs-3462508:3462508-s3fs-streamwrapper-delivery-drupal-root-folder into 4.0.x
https://www.drupal.org/project/s3fs/issues/3462508
Initial attempt to fix broken files URLs when delivered through Drupal with a root folder.