Generate previews for rooms when the option changes
Generate previews for rooms when the option changes

Fixes https://github.com/vector-im/element-web/issues/14853

This likely regressed in https://github.com/matrix-org/matrix-react-sdk/pull/5048 when the message preview information was made state, and the component wasn't updating the preview when the control flags changed.
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