Fix Master ID

Author: Rayn93

src/Resources/views/storefront/page/product-detail/meta.html.twig

@@ -7,6 +7,12 @@
   {% if page.extensions.factfinder.features.useRecentlyViewed and page.product %}
     {% set product = page.product %}
 
+    {% set masterProductNumber = product.productNumber %}
+
+    {% if product.parentId and product.parent and product.parent.productNumber %}
+      {% set masterProductNumber = product.parent.productNumber %}
+    {% endif %}
+
     <script>
       document.addEventListener(`ffCoreReady`, ({ factfinder }) => {
         factfinder.components.recentlyViewed.config({
@@ -15,7 +21,7 @@
 
         factfinder.components.recentlyViewed.addEntry({
           Name: '{{ product.translated.name|escape('js') }}',
-          Master: '{{ product.productNumber|escape('js') }}',
+          Master: '{{ masterProductNumber|escape('js') }}',
           ProductNumber: '{{ product.productNumber|escape('js') }}',
           Deeplink: '{{ seoUrl('frontend.detail.page', {'productId': product.id})|escape('js') }}',
           Price: {{ product.calculatedPrice.unitPrice|default(0) }},