cloud-setup: add device argument to nmcs_add_and_activate()

This will allow us to add & complete connections for existing devices,
such as VNICs on OCI VMs.

src/nm-cloud-setup/main.c

@@ -821,7 +821,7 @@ _oci_new_vlan_dev(SigTermData                          *sigterm_data,
           config_data->priv.oci.vlan_tag,
           parent_hwaddr);
 
-    active_connection = nmcs_add_and_activate(nmc, NULL, connection, &error);
+    active_connection = nmcs_add_and_activate(nmc, NULL, NULL, connection, &error);
     if (active_connection == NULL) {
         if (!nm_utils_error_is_cancelled(error)) {
             _LOGD("config device %s: failure to activate connection: %s", hwaddr, error->message);

src/nm-cloud-setup/nm-cloud-setup-utils.c

@@ -637,6 +637,7 @@ _nmcs_add_and_activate_cb(GObject *source, GAsyncResult *result, gpointer user_d
 NMActiveConnection *
 nmcs_add_and_activate(NMClient     *client,
                       GCancellable *sigterm_cancellable,
+                      NMDevice     *device,
                       NMConnection *connection,
                       GError      **error)
 {

src/nm-cloud-setup/nm-cloud-setup-utils.h

@@ -155,6 +155,7 @@ NMConnection *nmcs_device_get_applied_connection(NMDevice     *device,
 
 NMActiveConnection *nmcs_add_and_activate(NMClient     *client,
                                           GCancellable *sigterm_cancellable,
+                                          NMDevice     *device,
                                           NMConnection *connection,
                                           GError      **error);