Avoid confusing log output when responding with a method not found error.

src/ssb.c

@@ -1618,6 +1618,7 @@ static void _tf_ssb_connection_rpc_recv(tf_ssb_connection_t* connection, uint8_t
 				}
 				if (!found && !_tf_ssb_name_equals(context, val, (const char*[]) { "Error", NULL }))
 				{
+					tf_ssb_connection_add_request(connection, -request_number, namebuf, NULL, NULL, NULL, NULL);
 					char buffer[256];
 					_tf_ssb_name_to_string(context, val, buffer, sizeof(buffer));
 					tf_ssb_connection_rpc_send_error_method_not_allowed(connection, flags, -request_number, buffer);