fix(gatsby-plugin-mdx): Pass getNodesByType (#24516)

Fixes #24400

Author: kamranayub

packages/gatsby-plugin-mdx/utils/get-source-plugins-as-remark-plugins.js

@@ -61,6 +61,7 @@ module.exports = async function getSourcePluginsAsRemarkPlugins({
               markdownAST,
               markdownNode: mdxNode,
               getNode,
+              getNodesByType,
               files: fileNodes,
               pathPrefix,
               reporter,