fixup! fix(@angular/ssr): apply forwarded prefix and vary header in accept-language redirects

Author: alan-agius4

packages/angular/ssr/src/app-engine.ts

@@ -147,7 +147,7 @@ export class AngularAppEngine {
 
     if (this.supportedLocales.length > 1) {
       // Redirect to the preferred language if i18n is enabled.
-      return this.redirectBasedOnAcceptLanguage(request);
+      return this.redirectBasedOnAcceptLanguage(securedRequest);
     }
 
     return null;