Fix Sylius 1.12 compatibility

Author: lruozzi9

config/services/serializer.php

@@ -48,7 +48,6 @@
 
     $services->set('webgriffe_sylius_clerk_plugin.normalizer.product', V2ProductNormalizer::class)
         ->args([
-            '$productVariantResolver' => service(ProductVariantResolverInterface::class),
             '$eventDispatcher' => service('event_dispatcher'),
             '$productVariantPricesCalculator' => service('sylius.calculator.product_variant_price'),
             '$urlGenerator' => service('router'),

src/DependencyInjection/WebgriffeSyliusClerkExtension.php

@@ -4,6 +4,7 @@
 
 namespace Webgriffe\SyliusClerkPlugin\DependencyInjection;
 
+use Sylius\Component\Product\Resolver\ProductVariantResolverInterface;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -33,6 +34,11 @@ public function load(array $configs, ContainerBuilder $container): void
         $productNormalizer = $container->getDefinition('webgriffe_sylius_clerk_plugin.normalizer.product');
         $productNormalizer->setArgument('$imageType', $config['image_type']);
         $productNormalizer->setArgument('$imageFilterToApply', $config['image_filter_to_apply']);
+        if ($container->hasDefinition(ProductVariantResolverInterface::class)) {
+            $productNormalizer->setArgument('$productVariantResolver', $container->getDefinition(ProductVariantResolverInterface::class));
+        } else {
+            $productNormalizer->setArgument('$productVariantResolver', $container->getDefinition('sylius.product_variant_resolver.default'));
+        }
 
         $pagesProvider = $container->getDefinition('webgriffe_sylius_clerk_plugin.provider.pages');
         $pagesProvider->setArgument('$pages', $config['pages']);