chore(storybook): Add missing fonts and delete preview-head

Author: greg-in-a-box

.storybook/manager-head.html

@@ -1,6 +1,6 @@
 <!-- Replace "Storybook" with custom document title -->
 <script>
-    setTimeout(function() {
+    setTimeout(function () {
         document.title = 'Box UI Elements';
     }, 1000);
 </script>

.storybook/preview-head.html

@@ -1,3 +1,5 @@
+<link rel="preload" href="https://cdn01.boxcdn.net/fonts/1.0.17/lato/fonts.css" as="style" crossorigin="anonymous" />
+
 <link
     rel="preload"
     href="https://cdn01.boxcdn.net/fonts/1.0.17/lato/Lato-Regular.woff"

.storybook/preview.tsx

@@ -31,6 +31,7 @@ const preview = {
                     },
                 },
             },
+            assetDomains: ['cdn01.boxcdn.net'],
         },
         controls: {
             matchers: {

src/elements/content-explorer/stories/tests/ContentExplorer-visual.stories.js

@@ -244,6 +244,9 @@ export const searchEmptyState = {
     },
     play: async ({ canvasElement }) => {
         const canvas = within(canvasElement);
+        await waitFor(() => {
+            expect(canvas.getByText('test')).toBeInTheDocument();
+        });
         const searchBar = canvas.getByRole('searchbox', { name: 'Search files and folders' });
         await userEvent.type(searchBar, 'foo');