Add early return in updateQuantityRules function if no quantity selec…

…tor is present

assets/product-info.js

@@ -364,6 +364,7 @@ if (!customElements.get('product-info')) {
       }
 
       updateQuantityRules(sectionId, html) {
+        if (!this.quantityInput) return;
         this.setQuantityBoundries();
 
         const quantityFormUpdated = html.getElementById(`Quantity-Form-${sectionId}`);