Improve the quality of invite suggestions by filtering out DMs
Improve the quality of invite suggestions by filtering out DMs

This helps the small rooms from being scored highly, bringing out users you've not seen in a long while.
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