return hash in config-set response from CA

The #2707 (closed) introduced hash being returned by config-set response for DHCPv4, DHCPv6 and D2. This ticket is about adding the same functionality for Ctrl Agent. This is a completion of the task started in #2707 (closed).

Edited Jun 22, 2023 by Tomek Mrugalski

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information