This .filter call will always return the first token and in the case this isn't the expected demo user token key (whether it has changed in settings or the user previously logged in as a non-demo user) the expected demo user CallbackToken is never created.
This
.filter
call will always return the first token and in the case this isn't the expected demo user token key (whether it has changed in settings or the user previously logged in as a non-demo user) the expected demo userCallbackToken
is never created.