test: assert featured collection heading instead of link wrapper

The collection title (h1) always renders; the featured collection's image
does not. Assert the heading directly per the e2e/CLAUDE.md "Dynamic Store
Data" guidance.

Author: lucyxiang

e2e/specs/smoke/home.spec.ts

@@ -15,17 +15,15 @@ test.describe('Home Page', () => {
 
     await page.goto('/');
 
-    const featuredCollection = page.getByRole('link').filter({
-      has: page.getByRole('heading', {level: 1}),
-    });
+    const featuredCollectionHeading = page.getByRole('heading', {level: 1});
 
     const productGridImage = page
       .getByRole('region', {name: 'Recommended Products'})
       .getByRole('link')
       .first()
       .getByRole('img');
 
-    await expect(featuredCollection).toBeVisible();
+    await expect(featuredCollectionHeading).toBeVisible();
     await expect(productGridImage).toBeVisible();
 
     expect(consoleErrors).toHaveLength(0);