Add Hotjar script to the home page (#20758)

GitOrigin-RevId: b7fdb904702d84058c2e3519b17376083ee9cad7

services/web/app/src/Features/StaticPages/HomeController.js

@@ -9,6 +9,7 @@ const SessionManager = require('../Authentication/SessionManager')
 
 const { expressify } = require('@overleaf/promise-utils')
 const logger = require('@overleaf/logger')
+const SplitTestHandler = require('../SplitTests/SplitTestHandler')
 
 const homepageExists = fs.existsSync(
   Path.join(
@@ -35,6 +36,12 @@ async function home(req, res) {
       page: req.path,
     })
 
+    try {
+      await SplitTestHandler.promises.getAssignment(req, res, 'hotjar')
+    } catch {
+      // do nothing
+    }
+
     res.render('external/home/website-redesign/index')
   } else {
     res.redirect('/login')