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

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

* Add rxDupe, txRelay and txRelayCanceled to LocalStats

src/modules/AdminModule.cpp

@@ -66,7 +66,7 @@ bool AdminModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshta
     // if handled == false, then let others look at this message also if they want
     bool handled = false;
     assert(r);
-    bool fromOthers = mp.from != 0 && mp.from != nodeDB->getNodeNum();
+    bool fromOthers = !isFromUs(&mp);
     if (mp.which_payload_variant != meshtastic_MeshPacket_decoded_tag) {
         return handled;
     }