Fix the response for `GET /_matrix/app/v1/thirdparty/protocol/{protocol}`#3675

richvdh merged 1 commit intomainmatrix-org/matrix-spec-proposals:mainfrom

rav/fix_appservice_threepid_protocolsmatrix-org/matrix-spec-proposals:rav/fix_appservice_threepid_protocolsCopy head branch name to clipboard