Use setBusy interface of js-sdk interactive auth
Use setBusy interface of js-sdk interactive auth

This helps to make sure we only do one auth request at a time.

https://github.com/matrix-org/matrix-js-sdk/pull/951

matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk,matrix-org/matrix-react-sdk