Add external identifiers for person, editable in edit form, with minimal features associated

src/Bundle/ChillCustomFieldsBundle/EntityRepository/CustomFieldsDefaultGroupRepository.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\CustomFieldsBundle\EntityRepository;
+
+use Chill\CustomFieldsBundle\Entity\CustomFieldsDefaultGroup;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+class CustomFieldsDefaultGroupRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, CustomFieldsDefaultGroup::class);
+    }
+
+    public function findOneByEntity(string $className): ?CustomFieldsDefaultGroup
+    {
+        return $this->findOneBy(['entity' => $className]);
+    }
+}