bug symfony#58002 [Security] Revert stateless check for ContextListener (VincentLanglet)

This PR was merged into the 5.4 branch.

Discussion
----------

[Security] Revert stateless check for ContextListener

This reverts commit 40341a1.

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix #symfony#57851
| License       | MIT

Closes symfony#57854

Cf symfony#57854 (comment)

Commits
-------

188e2d2 Revert stateless check

Author: fabpot

src/Symfony/Component/Security/Http/Firewall/ContextListener.php

@@ -95,7 +95,7 @@ public function authenticate(RequestEvent $event)
         }
 
         $request = $event->getRequest();
-        $session = !$request->attributes->getBoolean('_stateless') && $request->hasPreviousSession() && $request->hasSession() ? $request->getSession() : null;
+        $session = $request->hasPreviousSession() && $request->hasSession() ? $request->getSession() : null;
 
         $request->attributes->set('_security_firewall_run', $this->sessionKey);