rpc: add a do_not_relay boolean to tx submission

Just to make it easier

src/wallet/wallet2.cpp

@@ -1974,6 +1974,7 @@ void wallet2::commit_tx(pending_tx& ptx)
 
   COMMAND_RPC_SEND_RAW_TX::request req;
   req.tx_as_hex = epee::string_tools::buff_to_hex_nodelimer(tx_to_blob(ptx.tx));
+  req.do_not_relay = false;
   COMMAND_RPC_SEND_RAW_TX::response daemon_send_resp;
   m_daemon_rpc_mutex.lock();
   bool r = epee::net_utils::invoke_http_json_remote_command2(m_daemon_address + "/sendrawtransaction", req, daemon_send_resp, m_http_client, 200000);