Use null coalescing operator instead of ternary if

Author: jdreesen

Security/Http/Firewall/TwoFactorListener.php

@@ -139,7 +139,7 @@ public function __construct(
         $this->twoFactorAccessDecider = $twoFactorAccessDecider;
         $this->eventDispatcher = $eventDispatcher;
         $this->twoFactorTokenFactory = $twoFactorTokenFactory;
-        $this->logger = $logger === null ? new NullLogger() : $logger;
+        $this->logger = $logger ?? new NullLogger();
         $this->trustedDeviceManager = $trustedDeviceManager;
     }