STRF-7604 - Fixes itemprop availability meta tag for price including …

…tax case in price.html component.

templates/components/products/price.html

@@ -29,7 +29,8 @@
             </span>
             <span data-product-price-with-tax class="price price--withTax">{{price.with_tax.formatted}}</span>
             {{#if schema_org}}
-                <meta itemprop="availability" content="{{product.availability}}">
+                <meta itemprop="availability" itemtype="http://schema.org/ItemAvailability" 
+                	content="http://schema.org/{{#if product.pre_order}}PreOrder{{else if product.out_of_stock}}OutOfStock{{else if product.can_purchase '===' false}}OutOfStock{{else}}InStock{{/if}}">
                 <meta itemprop="itemCondition" itemtype="http://schema.org/OfferItemCondition" content="http://schema.org/{{product.condition}}Condition">
                 <meta itemprop="priceCurrency" content="{{currency_selector.active_currency_code}}">
                 <meta itemprop="url" content="{{product.url}}">