Clarify documentation in PersonIdentifierManagerInterface and fix formatting in SQL query

- Updated PHPDoc in `getWorkers` method to explicitly state that only active definitions are returned.
- Standardized number formatting in SQL query for better readability and consistency.

src/Bundle/ChillPersonBundle/PersonIdentifier/PersonIdentifierManagerInterface.php

@@ -18,6 +18,8 @@ interface PersonIdentifierManagerInterface
     /**
      * Build PersonIdentifierWorker's for all active definition.
      *
+     * Only active definition are returned.
+     *
      * @return list<PersonIdentifierWorker>
      */
     public function getWorkers(): array;