PB-69: Manually add products into ProductList by name/SKU and sort them by the order they added into the list

Author: eug123

app/code/Magento/PageBuilder/i18n/en_US.csv

@@ -304,3 +304,4 @@ OK,OK
 "SKU: descending","SKU: descending"
 "Stock: low stock first","Stock: low stock first"
 "Stock: high stock first","Stock: high stock first"
+"Comma separated product SKUs.","Comma separated product SKUs."

app/code/Magento/PageBuilder/view/adminhtml/ui_component/pagebuilder_products_form.xml

@@ -154,6 +154,7 @@
                 <exports>
                     <link name="condition_operator">${ $.provider }:data.sku-condition_operator</link>
                 </exports>
+                <notice translate="true">Comma separated product SKUs.</notice>
             </settings>
         </field>
         <htmlContent name="conditions_form" sortOrder="5" template="Magento_PageBuilder/form/element/widget-conditions">