Use layout with white nav for light touch interstitial (#20242)

GitOrigin-RevId: f309f8706065da065ddf6b4b7f61e4d66572dbd9

services/web/app/views/subscriptions/interstitial-payment-light-design.pug

@@ -1,4 +1,4 @@
-extends ../layout-marketing
+extends ../layout-website-redesign
 
 include ./plans/light-redesign/_mixins
 include ../_mixins/eyebrow