[Design]: Serial Number Visibility

### Problem description

Provide UI visibility into the serial numbers of connected devices
Solves:
- Identification of unauthorized device registrations
- Troubleshooting one device versus another

### Proposed solution

User profile > User devices > Add "Serial number" below "Public IP"

### Alternatives considered

_No response_

### Impact

Nice to have

Start in the User profile > User devices view and trace how the existing Public IP value is displayed for connected devices. Add Serial number below Public IP, then verify that each connected device shows the correct value and that unauthorized-device identification and troubleshooting are possible.

Written by the indexing model from the issue text.