Ensure unique keys on the network list

[edlerd]

Done

• Ensure unique keys on the network list

QA

1. Run the LXD-UI:
   • On the demo server via the link posted by @webteam-app below. This is only available for PRs created by collaborators of the repo. Ask @mas-who or @edlerd for access.
   • With a local copy of this branch, build and run as described in the docs.
2. Perform the following QA steps:
   • sort the network list in a clustered backend with many networks with the same name on different members.

[webteam-app]

Demo

Jenkins

demos.haus

[mas-who]

LGTM thanks for the cluster case fix 👍

[Kxiru]

Woohoo, speedy turnaround!