Refactor PersonACLAwareRepository to simplify condition handling in search clause construction

- Replaced `count` check with an `empty` comparison for clarity.
- Streamlined conditional logic for search clause initialization.
- Removed unnecessary `isset` check before applying `andWhereClause`.

src/Bundle/ChillPersonBundle/Repository/PersonACLAwareRepository.php

@@ -169,8 +169,10 @@ final readonly class PersonACLAwareRepository implements PersonACLAwareRepositor
 
         if (null !== $phonenumber) {
             $personPhoneClause = "person.phonenumber LIKE '%' || ? || '%' OR person.mobilenumber LIKE '%' || ? || '%' OR EXISTS (SELECT 1 FROM chill_person_phone where person_id = person.id AND phonenumber LIKE '%' || ? || '%')";
-            if (count($andWhereSearchClauseArgs) > 0) {
+            if ([] !== $andWhereSearchClauseArgs) {
                 $initialSearchClause = '(('.\implode(' AND ', $andWhereSearchClause).') OR '.$personPhoneClause.')';
+            } else {
+                $initialSearchClause = $personPhoneClause;
             }
             $andWhereSearchClauseArgs = [...$andWhereSearchClauseArgs, $phonenumber, $phonenumber, $phonenumber];
 
@@ -181,12 +183,10 @@ final readonly class PersonACLAwareRepository implements PersonACLAwareRepositor
             $initialSearchClause = \implode(' AND ', $andWhereSearchClause);
         }
 
-        if (isset($initialSearchClause)) {
-            $query->andWhereClause(
-                $initialSearchClause,
-                $andWhereSearchClauseArgs
-            );
-        }
+        $query->andWhereClause(
+            $initialSearchClause,
+            $andWhereSearchClauseArgs
+        );
 
         $query
             ->setSelectPertinence(\implode(' + ', $pertinence), $pertinenceArgs);