PublicPreview 1.4.0

Chat adapter error update (#2471)

* add error emitter to typing indicator

* add proxy in stateful client for typingIndicator

* add test

* Change files

* fix name

* Update @internal-react-composites-7cc319fa-75a7-4732-b1fb-a9425738de8d.json

* update composite test script to build first

* add test to stateful suite

* fix spelling...

* remove auto build