fn spawn_system_install_task(
broker: Arc<Broker>,
registry: Arc<InstallSessionRegistry>,
session_id: String,
claim_key: String,
step: SystemInstallStep,
cancel_rx: Receiver<()>,
)fn spawn_system_install_task(
broker: Arc<Broker>,
registry: Arc<InstallSessionRegistry>,
session_id: String,
claim_key: String,
step: SystemInstallStep,
cancel_rx: Receiver<()>,
)