loconet simulation: added LongAck for ImmPacket

server/src/hardware/protocol/loconet/iohandler/simulationiohandler.cpp

@@ -3,7 +3,7 @@
  *
  * This file is part of the traintastic source code.
  *
- * Copyright (C) 2022 Reinder Feenstra
+ * Copyright (C) 2022-2023 Reinder Feenstra
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -203,6 +203,10 @@ bool SimulationIOHandler::send(const Message& message)
           }
         }
       }
+      else if(isSignatureMatch<ImmPacket>(message))
+      {
+        reply(LongAck(message.opCode, 0x7F)); // accept, not limited
+      }
       break;
     }
     case OPC_WR_SL_DATA: