Set lockerServiceNext to true

Author: raac09

config/project-scratch-def.json

@@ -29,7 +29,7 @@
     "securitySettings": {
         "sessionSettings": {
             "forceRelogin": false,
-            "lockerServiceNext": false
+            "lockerServiceNext": true
         },
         "enableAdminLoginAsAnyUser": true
     },