[TASK] Use constructor property promotion for EventDispatcherAdapter

Resolves: #101376
Releases: main
Change-Id: I8d091d11cb1eb1cc633364ced2af8f14538df527
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/80077


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan B�rk <stefan@buerk.tech>
Reviewed-by: Stefan B�rk <stefan@buerk.tech>

typo3/sysext/core/Classes/Adapter/EventDispatcherAdapter.php

@@ -22,14 +22,8 @@ use Symfony\Contracts\EventDispatcher\EventDispatcherInterface as SymfonyEventDi
 
 final class EventDispatcherAdapter implements SymfonyEventDispatcherInterface
 {
-    /**
-     * @var EventDispatcherInterface
-     */
-    private $eventDispatcher;
-
-    public function __construct(EventDispatcherInterface $eventDispatcher)
+    public function __construct(private readonly EventDispatcherInterface $eventDispatcher)
     {
-        $this->eventDispatcher = $eventDispatcher;
     }
 
     public function dispatch(object $event, string $eventName = null): object