9c0523e880
Rancher installs were stalling on transient Docker Hub TLS handshake timeouts for rancher shell, webhook, and system-upgrade-controller images. Pre-pull the required images onto all nodes after k3s comes up, extend the Rancher HelmRelease timeout, and reset/force the Rancher HelmRelease before waiting on addon-rancher so bootstrap can recover from stale failed remediation state.