PersistentPreRunE needs to be called within the help function to initialize all the flags (notably the orchestrator flag)
Add an e2e test as regression test
Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>
(cherry picked from commit 21cce52b30)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>