Retroactive update crashes on Drupal 10 (fix included)

Problem/Motivation

The following errors are from drupal 10 upgrade:

1. Streamline field widget hooks
2. Access checking must be explicitly specified on content entity queries

Steps to reproduce

Any updates attempt causes this.

Proposed resolution

Insert the second line here to comply with Drupal 10 requirement:

  $result = $query->condition($entity_info->getKey('bundle'), $field_config->getTargetBundle())
    ->accessCheck(FALSE)
    ->condition("{$field_config->getName()}.target_id", '', '<>')
    ->addTag('DANGEROUS_ACCESS_CHECK_OPT_OUT')
    ->execute();

Update the hook filefield_paths_field_widget_form_alter to filefield_paths_field_widget_single_element_form_alter

Remaining tasks

1. Open MR
2. Test
3. Review
4. Commit