TypeError: Drupal\Core\Field\WidgetBase::getWidgetState(): Argument #1 ($parents) must be of type array, null given

Ran into this same issue on my end as well; not sure what's triggering it. Attached is an altered version of the patch that works with PHP 8.1

We've come across this too in a Paragraph context, so unrelated to the Autosave Form module. It's the same issue, `$parent_element` doesn't contain `#field_name` or `#field_field_parents` keys (in our case, it's a container), so the call to `WidgetBase::getWidgetState` fails.

In our case this was the actual issue: https://www.drupal.org/project/entity_browser/issues/2851580#comment-161... 🐛 Re-order + remove broken with the Entity Reference (and File) widget Needs review