Merge branch '6.4' into 7.0

* 6.4:
  fix merge
  [AssetMapper] Split test dirs in tests
  Fix typo
  Change incorrect check for the `stateless` request attribute
  use copy() instead of rename() on Windows
  test: kebab-case to snake_case
  [PropertyInfo] Handle collection in PhpStan same as PhpDoc
  [Messenger] Passing to `WorkerMessageRetriedEvent` envelope with actual stamps after sent

Author: xabbuh

Controller/ProfilerController.php

@@ -180,7 +180,7 @@ public function searchBarAction(Request $request): Response
         $this->cspHandler?->disableCsp();
 
         $session = null;
-        if ($request->attributes->getBoolean('_stateless') && $request->hasSession()) {
+        if (!$request->attributes->getBoolean('_stateless') && $request->hasSession()) {
             $session = $request->getSession();
         }