D9 Deprecated Code Fixes
Fixes D9 deprecations. Also changes use of EntityBase to EntityInterface per https://www.drupal.org/project/extrafield_views_integration/issues/3047205 and adds composer.json.
Closes #3129536
Fixes D9 deprecations. Also changes use of EntityBase to EntityInterface per https://www.drupal.org/project/extrafield_views_integration/issues/3047205 and adds composer.json.
Closes #3129536