Fix crash at boot orz...

Add missing \n for echo_serial

Author: luc-github

src/core/esp3d_commands.cpp

@@ -1209,6 +1209,11 @@ bool ESP3DCommands::dispatch(ESP3DMessage *msg) {
 #if COMMUNICATION_PROTOCOL == SOCKET_SERIAL
     case ESP3DClientType::echo_serial:
       MYSERIAL1.write(msg->data, msg->size);
+      if (msg->type == ESP3DMessageType::unique || msg->type == ESP3DMessageType::tail) {
+       if (msg->data[msg->size-1]!='\n'){
+        MYSERIAL1.write('\n');
+       }
+      }
       ESP3DMessageManager::deleteMsg(msg);
       break;
 #endif  // COMMUNICATION_PROTOCOL == SOCKET_SERIAL
@@ -1513,4 +1518,4 @@ bool ESP3DCommands::dispatch(ESP3DMessage *msg) {
     ESP3DMessageManager::deleteMsg(msg);
   }
   return sendOk;
-}
+}

src/modules/serial2socket/serial2socket.cpp

@@ -167,7 +167,7 @@ void Serial_2_Socket::handle_flush() {
 void Serial_2_Socket::flush(void) {
   if (_TXbufferSize > 0 && _started && !_paused) {
     ESP3DMessage *msg = ESP3DMessageManager::newMsg(
-        ESP3DClientType::socket_serial, esp3d_commands.getOutputClient(),
+        ESP3DClientType::socket_serial,  ESP3DClientType::all_clients,
         _TXbuffer, _TXbufferSize, _auth);
     // dispatch command
     if (msg) {