* Switch to importing TypedEventEmitter from main js-sdk export
* Switch to importing js-sdk/matrix in cypress
* Remove duplicated imports
* Fix lint:js-fix to run prettier last otherwise ESLint --fix may cause a mess
* Add lint rule
* Fix cypress-axe import
* Fix cypress-axe import
* Basic test for IncomingSasDialog
* Basic test for VerificationPanel
* Replace references to IGeneratedSas and ISasEvent
* Some secret references to the callbacks types
* Update references to `QrCodeEvent`, `SasEvent` and `VerificationEvent`