* 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

* feat(toolbox) allow any toolbox button to be displayed as main

fixes the previous behaviour where only a certain set of buttons were whitelisted for being displayed in the main toolbar

* code review

* code review - fix avatar icon position

Found via `codespell -q 3 -S ./lang`

Introduces a new feature flag ('help.enabled') and uses that to
determine the visibility of the 'Help' button in a call.