Currently this is a deliberate missing feature which makes no logical sense when you are a privileged user that can view the containers via command line anyway. Besides, this is needed to manage machines that run rootless containers in separate dedicated user accounts.

• ✅ Automatically start podman.socket: https://github.com/cockpit-project/cockpit-podman/pull/1976
• 🔨 Rework code and tests for "user: root" and "user: username" instead of true/false, and (no visible behaviour change): https://github.com/cockpit-project/cockpit-podman/pull/1989
• Extend the user switcher to other users with containers