Fix PHPCS warning
This fixes a minor PHPCS warning
https://git.drupalcode.org/project/localgov_project/-/jobs/9946273
```
FILE: ...rib/localgov_directories/src/Plugin/Field/FieldWidget/FacetFieldWidget.php
--------------------------------------------------------------------------------
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
--------------------------------------------------------------------------------
85 | WARNING | Node::load calls should be avoided in classes, use dependency
| | injection instead
--------------------------------------------------------------------------------
```
issue