Coerce user.id to always be derive from the nodenum (#6906)

* Coerce user.id to always be derive from the nodenum

* Additionally null it out on send

* Revert "Additionally null it out on send"

This reverts commit 22a2d68723.

src/modules/NodeInfoModule.cpp

@@ -14,6 +14,9 @@ bool NodeInfoModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, mes
 {
     auto p = *pptr;
 
+    // Coerce user.id to be derived from the node number
+    snprintf(p.id, sizeof(p.id), "!%08x", getFrom(&mp));
+
     bool hasChanged = nodeDB->updateUser(getFrom(&mp), p, mp.channel);
 
     bool wasBroadcast = isBroadcast(mp.to);