Specify Magento_Catalog module on template for sorting

If the block `Magento\Catalog\Block\Product\ProductList\Toolbar` is rewritten in another module, it is searching for the template in that module, not in `Magento_Catalog`.

Author: vernard

app/code/Magento/Catalog/view/frontend/layout/catalog_category_view.xml

@@ -21,7 +21,7 @@
                     <block class="Magento\Framework\View\Element\RendererList" name="category.product.type.details.renderers" as="details.renderers">
                         <block class="Magento\Framework\View\Element\Template" as="default"/>
                     </block>
-                    <block class="Magento\Catalog\Block\Product\ProductList\Toolbar" name="product_list_toolbar" template="product/list/toolbar.phtml">
+                    <block class="Magento\Catalog\Block\Product\ProductList\Toolbar" name="product_list_toolbar" template="Magento_Catalog::product/list/toolbar.phtml">
                         <block class="Magento\Theme\Block\Html\Pager" name="product_list_toolbar_pager"/>
                         <!-- The following code shows how to set your own pager increments -->
                         <!--