add presence to MemberInfo, fixes https://github.com/vector-im/riot-web/issues/3720
add presence to MemberInfo, fixes https://github.com/vector-im/riot-web/issues/3720

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