[DI] don't use array_map to resolve services

Author: hadriengem

ContainerBuilder.php

@@ -925,7 +925,9 @@ public function createService(Definition $definition, $id, $tryProxy = true)
     public function resolveServices($value)
     {
         if (is_array($value)) {
-            $value = array_map(array($this, 'resolveServices'), $value);
+            foreach ($value as $k => $v) {
+                $value[$k] = $this->resolveServices($v);
+            }
         } elseif ($value instanceof Reference) {
             $value = $this->get((string) $value, $value->getInvalidBehavior());
         } elseif ($value instanceof Definition) {