Add size to Magento_CatalogGraphQl MediaGallery Url field

catalog_graphql_image_size.patch

--- etc/schema.orig.graphqls	2020-01-10 06:20:38.000000000 +0100
+++ etc/schema.graphqls	2020-04-10 18:07:05.630098596 +0200
@@ -197,7 +197,7 @@
 }

 interface MediaGalleryInterface @doc(description: "Contains basic information about a product image or video.") @typeResolver(class: "Magento\\CatalogGraphQl\\Model\\MediaGalleryTypeResolver") {
-    url: String @doc(description: "The URL of the product image or video.") @resolver(class: "Magento\\CatalogGraphQl\\Model\\Resolver\\Product\\MediaGallery\\Url")
+    url(width: Int, height: Int): String @doc(description: "The URL of the product image or video.") @resolver(class: "Magento\\CatalogGraphQl\\Model\\Resolver\\Product\\MediaGallery\\Url")
     label: String @doc(description: "The label of the product image or video.") @resolver(class: "Magento\\CatalogGraphQl\\Model\\Resolver\\Product\\MediaGallery\\Label")
 }

--- Model/Resolver/Product/MediaGallery/Url.orig.php	2020-01-10 06:20:38.000000000 +0100
+++ Model/Resolver/Product/MediaGallery/Url.php	2020-04-10 18:06:55.281998491 +0200
@@ -14,6 +14,7 @@
 use Magento\Framework\GraphQl\Config\Element\Field;
 use Magento\Framework\GraphQl\Query\ResolverInterface;
 use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Framework\View\ConfigInterface;

 /**
  * Returns media url
@@ -63,7 +64,7 @@
         $product = $value['model'];
         if (isset($value['image_type'])) {
             $imagePath = $product->getData($value['image_type']);
-            return $this->getImageUrl($value['image_type'], $imagePath);
+            return $this->getImageUrl($value['image_type'], $imagePath, $args);
         }
         if (isset($value['file'])) {
             $image = $this->productImageFactory->create();
@@ -79,13 +80,16 @@
      *
      * @param string $imageType
      * @param string|null $imagePath
+     * @param array $imageArgs
      * @return string
      * @throws \Exception
      */
-    private function getImageUrl(string $imageType, ?string $imagePath): string
+    private function getImageUrl(string $imageType, ?string $imagePath, array $imageArgs): string
     {
         $image = $this->productImageFactory->create();
         $image->setDestinationSubdir($imageType)
+            ->setWidth($imageArgs['width'] ?? null)
+            ->setHeight($imageArgs['height'] ?? null)
             ->setBaseFile($imagePath);

         if ($image->isBaseFilePlaceholder()) {