Add new "Premium Features" link on the navbar "Features & Benefits", and hide it behind the "premium-features-discoverability" split test (#8269)

GitOrigin-RevId: 5dae86818a485c74078683422ec44008fd754f27

services/web/app/src/router.js

@@ -78,7 +78,10 @@ function initialize(webRouter, privateApiRouter, publicApiRouter) {
   webRouter.get(
     '*',
     expressify(
-      SplitTestMiddleware.loadAssignmentsInLocals(['unified-navigation'])
+      SplitTestMiddleware.loadAssignmentsInLocals([
+        'unified-navigation',
+        'premium-features-discoverability',
+      ])
     )
   )
 

services/web/app/views/layout/navbar-marketing.pug

@@ -75,6 +75,19 @@ nav.navbar.navbar-default.navbar-main
 									each child in item.dropdown
 										if child.divider
 											li.divider
+										if child.splitTest 
+											if (splitTestVariants && (splitTestVariants[child.splitTest.name] === child.splitTest.variant))
+												li
+													if child.url
+														a(
+															href=child.url,
+															class=child.class,
+															event-tracking=child.event
+															event-tracking-mb="true"
+															event-tracking-trigger="click"
+														) !{translate(child.text)}
+													else
+														| !{translate(child.text)}
 										else
 											li
 												if child.url

services/web/app/views/layout/navbar.pug

@@ -58,6 +58,19 @@ nav.navbar.navbar-default.navbar-main
 									each child in item.dropdown
 										if child.divider
 											li.divider
+										if child.splitTest 
+											if (splitTestVariants && (splitTestVariants[child.splitTest.name] === child.splitTest.variant))
+												li
+													if child.url
+														a(
+															href=child.url,
+															class=child.class,
+															event-tracking=child.event
+															event-tracking-mb="true"
+															event-tracking-trigger="click"
+														) !{translate(child.text)}
+													else
+														| !{translate(child.text)}
 										else
 											li
 												if child.url