fix(client): landing page superblocks (#38914)

client/src/components/landing/index.js

@@ -40,7 +40,7 @@ const AsFeaturedSection = () => (
 
 export const Landing = ({ edges }) => {
   const superBlocks = uniq(edges.map(element => element.node.superBlock));
-  const interviewPrep = superBlocks.splice(10, 1);
+  const interviewPrep = superBlocks.splice(-1);
   return (
     <Fragment>
       <Helmet>

client/src/pages/index.js

@@ -25,8 +25,11 @@ IndexPage.displayName = 'IndexPage';
 export default IndexPage;
 
 export const query = graphql`
-  query challNodes {
-    allChallengeNode(sort: { fields: [superOrder, order, challengeOrder] }) {
+  query MyQuery {
+    allChallengeNode(
+      filter: { isHidden: { eq: false } }
+      sort: { fields: [superOrder, order, challengeOrder] }
+    ) {
       edges {
         node {
           fields {