Fix Vich uploader reference

Directly reference the uploader helper instead of the extension, fixing issues with the newer Vich uploader versions that use feature the lazy Twig extension.

DependencyInjection/AdmingeneratorFormExtensionsExtension.php

@@ -118,7 +118,7 @@ private function configureAssetsExtension(ContainerBuilder $container, string $u
             if ($container->hasDefinition('vich_uploader.templating.helper.uploader_helper') || $container->hasAlias('vich_uploader.templating.helper.uploader_helper')) {
                 $uploaderHelperDefinition = $container->findDefinition('vich_uploader.templating.helper.uploader_helper');
             } else {
-                $uploaderHelperDefinition = new Reference('Vich\UploaderBundle\Twig\Extension\UploaderExtension');
+                $uploaderHelperDefinition = new Reference(\Vich\UploaderBundle\Templating\Helper\UploaderHelper::class);
             }
         }
         if ('liip_imagine' === $imageManipulator) {