[web] migrate token access page to bs5 (#23474)

GitOrigin-RevId: 2a6c148aa52bfa109ba8a072ff7fb6dbd559ebb3

services/web/app/src/Features/TokenAccess/TokenAccessController.mjs

@@ -20,6 +20,7 @@ import { getSafeAdminDomainRedirect } from '../Helpers/UrlHelper.js'
 import UserGetter from '../User/UserGetter.js'
 import Settings from '@overleaf/settings'
 import LimitationsManager from '../Subscription/LimitationsManager.js'
+import SplitTestHandler from '../SplitTests/SplitTestHandler.js'
 
 const orderedPrivilegeLevels = [
   PrivilegeLevels.NONE,
@@ -111,6 +112,13 @@ async function tokenAccessPage(req, res, next) {
       }
     }
 
+    // Populates splitTestVariants with a value for the split test name and allows
+    // Pug to read it
+    await SplitTestHandler.promises.getAssignment(
+      req,
+      res,
+      'misc-b2c-pages-bs5'
+    )
     res.render('project/token/access-react', {
       postUrl: makePostUrl(token),
     })