fix import social work metadata: use child social issue if any

src/Bundle/ChillPersonBundle/Service/Import/SocialWorkMetadata.php

@@ -284,6 +284,7 @@ final class SocialWorkMetadata implements SocialWorkMetadataInterface
         } else {
             $return['socialActionChild'] = $child = (new SocialAction())->setTitle(['fr' => $socialActionChildTitle]);
             $parent->addChild($child);
+            $child->setIssue($socialIssue);
             $this->entityManager->persist($child);
         }
 
@@ -370,7 +371,7 @@ final class SocialWorkMetadata implements SocialWorkMetadataInterface
             ->handleSocialAction(
                 $row[2],
                 $row[3],
-                $socialIssues['socialIssue'] ?? $socialIssues,
+                $socialIssue,
                 $previousRow['socialActions']['socialAction'] ?? null,
                 $previousRow['socialActions']['socialActionChild'] ?? null
             );