Don't send to public channel (#5310)

* Don't send to public channel

`p->to` wasn't set and had the same value as broadcast, it's now set to our own NodeNum.

* Trunk

* Update DetectionSensorModule.cpp

Take 3

* Revert NodeNum()

src/modules/DetectionSensorModule.cpp

@@ -130,9 +130,12 @@ void DetectionSensorModule::sendDetectionMessage()
         p->decoded.payload.bytes[p->decoded.payload.size + 1] = '\0'; // Bell character
         p->decoded.payload.size++;
     }
-    LOG_INFO("Send message id=%d, dest=%x, msg=%.*s", p->id, p->to, p->decoded.payload.size, p->decoded.payload.bytes);
     lastSentToMesh = millis();
+    if (!channels.isDefaultChannel(0)) {
+        LOG_INFO("Send message id=%d, dest=%x, msg=%.*s", p->id, p->to, p->decoded.payload.size, p->decoded.payload.bytes);
         service->sendToMesh(p);
+    } else
+        LOG_ERROR("Message not allow on Public channel");
     delete[] message;
 }
 
@@ -140,14 +143,16 @@ void DetectionSensorModule::sendCurrentStateMessage(bool state)
 {
     char *message = new char[40];
     sprintf(message, "%s state: %i", moduleConfig.detection_sensor.name, state);
-
     meshtastic_MeshPacket *p = allocDataPacket();
     p->want_ack = false;
     p->decoded.payload.size = strlen(message);
     memcpy(p->decoded.payload.bytes, message, p->decoded.payload.size);
-    LOG_INFO("Send message id=%d, dest=%x, msg=%.*s", p->id, p->to, p->decoded.payload.size, p->decoded.payload.bytes);
     lastSentToMesh = millis();
+    if (!channels.isDefaultChannel(0)) {
+        LOG_INFO("Send message id=%d, dest=%x, msg=%.*s", p->id, p->to, p->decoded.payload.size, p->decoded.payload.bytes);
         service->sendToMesh(p);
+    } else
+        LOG_ERROR("Message not allow on Public channel");
     delete[] message;
 }