Fix #3452: only alter received packet if port number matches (#3474)

* Use `alterReceivedProtobuf()` for NeighborInfo and Traceroute
`alterReceived()` should never return NULL
Traceroute should be promiscuous

* Remove extensive logging from NeighborInfo module

src/mesh/ProtobufModule.h

@@ -108,8 +108,8 @@ template <class T> class ProtobufModule : protected SinglePortModule
                 // if we can't decode it, nobody can process it!
                 return;
             }
-        }
 
-        return alterReceivedProtobuf(mp, decoded);
+            return alterReceivedProtobuf(mp, decoded);
+        }
     }
 };