Add rxDupe, txRelay and txRelayCanceled to LocalStats (#4936)

* Introduce `isFromUs()` and `isToUs()`

* Add rxDupe, txRelay and txRelayCanceled to LocalStats

src/modules/RoutingModule.cpp

@@ -28,7 +28,7 @@ bool RoutingModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, mesh
 
     // FIXME - move this to a non promsicious PhoneAPI module?
     // Note: we are careful not to send back packets that started with the phone back to the phone
-    if ((mp.to == NODENUM_BROADCAST || mp.to == nodeDB->getNodeNum()) && (mp.from != 0)) {
+    if ((mp.to == NODENUM_BROADCAST || isToUs(&mp)) && (mp.from != 0)) {
         printPacket("Delivering rx packet", &mp);
         service->handleFromRadio(&mp);
     }