Strip (IRC) when clicking on username
Strip (IRC) when clicking on username

Fixes vector-im/riot-web#2072.

Signed-off-by: Johannes Löthberg <8398eb9892c5ab2ff439ca0b5e4b0706dd9ebef9@kyriasis.com>

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