Additionally null it out on send

src/modules/NodeInfoModule.cpp

@@ -82,7 +82,10 @@ meshtastic_MeshPacket *NodeInfoModule::allocReply()
         return NULL;
     } else {
         ignoreRequest = false;     // Don't ignore requests anymore
-        meshtastic_User &u = owner;
+        meshtastic_User u = owner; // Create a copy to avoid modifying the global owner
+
+        // Null out user.id on transmit
+        u.id[0] = 0;
 
         // Strip the public key if the user is licensed
         if (u.is_licensed && u.public_key.size > 0) {