Set correct scope attributes on rowheaders tables (#35999)

Co-authored-by: Rachael Sewell <rachmari@github.com>

lib/render-content/plugins/wrap-in-element.js

@@ -9,6 +9,7 @@ export default (options) => {
   const selector = options.selector || options.select || 'body'
   const wrapper = options.wrapper || options.wrap
   const rewrite = options.rewrite
+  const additionalAttributes = options.wrapperAdditionalAttributes
 
   /*
    * Transformer
@@ -25,6 +26,13 @@ export default (options) => {
     for (const match of selectAll(selector, tree)) {
       visit(tree, match, (node, i, parent) => {
         const parsedWrapper = parseSelector(wrapper)
+        if (additionalAttributes) {
+          parsedWrapper.properties = Object.assign(
+            {},
+            parsedWrapper.properties || {},
+            additionalAttributes
+          )
+        }
         if (rewrite) {
           parsedWrapper.children = node.children
         } else {