fix(e2e): harden form check against stale Gatekeeper assets

scripts/check-forms.ts

@@ -113,8 +113,9 @@ async function main() {
   page.on('request', (request) => {
     const url = request.url();
     // Intercept Next.js chunks and data to bypass Varnish 404-caching
+    // Includes standard /_next/ and subpath /gatekeeper/_next/
     if (
-      (url.includes('/_next/static/') || url.includes('/_next/data/')) && 
+      (url.includes('/_next/static/') || url.includes('/_next/data/') || url.includes('/gatekeeper/_next/')) && 
       !url.includes('?cb=') && 
       !url.includes('&cb=')
     ) {