Fix: fix the loading of pickCenterType when no regroupments exists and

defaults of SocialWorkTypeFilter

src/Bundle/ChillPersonBundle/Export/Filter/SocialWorkFilters/SocialWorkTypeFilter.php

@@ -113,7 +113,7 @@ class SocialWorkTypeFilter implements FilterInterface
 
     public function getFormDefaultData(): array
     {
-        return ['action_type' => '', 'goal' => '', 'result' => ''];
+        return ['action_type' => [], 'goal' => [], 'result' => []];
     }
 
     public function describeAction($data, $format = 'string'): array