Redirect registration requests to Login when the server supports SSO
Redirect registration requests to Login when the server supports SSO

For https://github.com/vector-im/riot-web/issues/12362
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