Issue 3450604: Add endpoint to retrieve HTML of rendered form
At /webform_rest/{webform_id}/html
Resolves: https://www.drupal.org/project/webform_rest/issues/3450604
Closes #3450604
At /webform_rest/{webform_id}/html
Resolves: https://www.drupal.org/project/webform_rest/issues/3450604
Closes #3450604