Fix panic when invoking inspect with empty container id (ACI SDK returns status 200 but nil container group properties)
Fix panic when invoking inspect with empty container id (ACI SDK returns status 200 but nil container group properties)

Signed-off-by: Guillaume Tardif <fdb6d90518c0d82cc6b9e4626ba807cce7a41bc7@docker.com>
docker/compose,docker/compose,docker/compose