Use netplan apply instead of restarting networkd ourselves.
Use netplan apply instead of restarting networkd ourselves.

Signed-off-by: Mathieu Trudel-Lapierre <bab670cc3de8a930dbcc4c98df4e7a8fdd9221c3@canonical.com>

CanonicalLtd/subiquity,CanonicalLtd/subiquity