Latest master doesn't build

[tony-ic]

1. I cloned the master
2. Run npm ci to install the exact packages from the lock file
3. npm run client:build causes error
   ERROR in auth0-delegated-admin.ui.vendors.4.7.0.js from UglifyJs
   Unexpected token name «await», expected punc «(» [auth0-delegated-admin.ui.vendors.4.7.0.js:127265,6]