R1:ab14f49ef87d

On the Diffusion cluster status page, improve device sort order

Summary:
Ref T13216. See PHI943. When you have a large number of cluster bindings for a repository, the UI sorting can be a bit hard to manage.

One install that regularly cycles repository cluster devices had a couple dozen older disabled bindings, with the enabled bindings intermingled.

Sort the UI:

- enabled devices come first;
- in each group, sort by name.

Test Plan: Mixed disabled/enabled bindings, loaded {nav Diffusion >…