/** @var MagentoCatalogModelResourceModelProductCollection $productCollection */
$productCollection->addMediaGalleryData();

/**
         * @return MagentoCatalogModelResourceModelProductCollection
         */
        public function getProductsWithMedia()
        {
            /** @var MagentoCatalogModelResourceModelProductCollection $products */
            $products = $this->productCollection->addMediaGalleryData();

            return $products;
        }