[Release] Stage to Main (#3497)

MWPW-165774 [Mobile-GNAV] page is not scrollable in live page (#3495)

* check for new nav when disabling ios scroll

* shortened the check from the previous commit

Co-authored-by: Raghav Sharma <118168183+sharmrj@users.noreply.github.com>

libs/blocks/global-navigation/utilities/utilities.js

@@ -337,7 +337,8 @@ export function trigger({ element, event, type } = {}) {
   closeAllDropdowns({ type });
   if (isOpen) return false;
   element.setAttribute('aria-expanded', 'true');
-  if (!isDesktop.matches && type === 'dropdown') disableMobileScroll();
+  if (!isDesktop.matches && type === 'dropdown'
+      && !!document.querySelector('header.new-nav')) disableMobileScroll();
   return true;
 }