fix(vmm): trigger port forward reconfiguration on update-ports

When `update_vm` is called with `update_ports=true`, also call
`reconfigure_port_forward` so running bridge-mode VMs get their
forwarding rules updated without requiring a restart.

Author: kvinwang

vmm/src/main_service.rs

@@ -452,6 +452,9 @@ impl VmmRpc for RpcHandler {
             .load_vm(&vm_work_dir, &Default::default(), false)
             .await
             .context("Failed to load VM")?;
+        if request.update_ports {
+            self.app.reconfigure_port_forward(&new_id).await;
+        }
         Ok(Id { id: new_id })
     }