fix templates

Author: millotp

templates/javascript/guides/search/saveObjectsMovies.mustache

@@ -5,7 +5,7 @@
 // Fetch and index objects in Algolia
 const processRecords = async () => {
   const datasetRequest = await fetch('https://dashboard.algolia.com/sample_datasets/movie.json');
-  const objects = await datasetRequest.json();
+  const movies = await datasetRequest.json();
   return {{#dynamicSnippet}}saveObjectsMovies{{/dynamicSnippet}}
 };