Use window.location directly instead of parsing into URL

Fixes vercel#42735 (comment).

Author: timneutkens

packages/next/client/components/app-router.tsx

@@ -136,7 +136,8 @@ function Router({
         // location.href is read as the initial value for canonicalUrl in the browser
         // This is safe to do as canonicalUrl can't be rendered, it's only used to control the history updates in the useEffect further down in this file.
         typeof window !== 'undefined'
-          ? createHrefFromUrl(new URL(window.location.href))
+          ? // window.location does not have the same type as URL but has all the fields createHrefFromUrl needs.
+            createHrefFromUrl(window.location as unknown as URL)
           : initialCanonicalUrl,
     }
   }, [children, initialCanonicalUrl, initialTree])