Some options were missing on the mobile side, notably calltsts
enableDisplayNameInStats and enableEmailInStats. Now the same logic will be used
in web and mobile.

* Removed iframe billing-counter callbacks

* Moved remaining items to jaas

* Fixed import path

* Removed billingCounter condition

* Use getvpaasTenant in middleware

* Removed billingId

* Path fix

* Removed jwt from isVpaasMeeting

* Fix isVpaas

The majority of the code is in the WASM file, the JS is just 9KB.
It's so little, in fact, that the performance hint for the main bundle didn't
have to be adjusted.