Comment that the room publish failure check is Synapse-specific
Comment that the room publish failure check is Synapse-specific

Signed-off-by: Andrew Ferrazzutti <187770cf5af2d3469ab41bc3cb1a5c052fc2099f@miscworks.net>

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