Fix PHP 8.4 deprecations

Author: bobvandevijver

src/Controller/ElFinderController.php

@@ -96,7 +96,7 @@ public function mainJS(): Response
     /**
      * @throws Exception
      */
-    private function selectEditor(array $parameters, string $instance, string $homeFolder, string $assetsPath, string $formTypeId = null): array
+    private function selectEditor(array $parameters, string $instance, string $homeFolder, string $assetsPath, ?string $formTypeId = null): array
     {
         $editor       = $parameters['editor'];
         $locale       = $parameters['locale'] ?: $this->container->getParameter('locale');

src/Event/ElFinderPostExecutionEvent.php

@@ -13,7 +13,7 @@ class ElFinderPostExecutionEvent extends ElFinderPreExecutionEvent
     /**
      * Constructor.
      */
-    public function __construct(Request $request, HttpKernelInterface $httpKernel, string $instance, string $homeFolder, array $result = null)
+    public function __construct(Request $request, HttpKernelInterface $httpKernel, string $instance, string $homeFolder, ?array $result = null)
     {
         parent::__construct($request, $httpKernel, $instance, $homeFolder);