[BUG] Data system storage footprint counts purged archives

[thomasmitchell]

Describe the bug The Web UI data system page displays a storage footprint that counts archives which are no longer being stored.

To Reproduce Steps to reproduce the behavior:

1. Have a job with purged archives
2. Go to the data system page
3. See that it is counting purged archives, and the size of the data from those purged archives

Expected behavior It should only be counting current archives.

Screenshots If applicable, add screenshots to help explain your problem.

SHIELD versions (please complete the following information):

• SHIELD Core: 8.5.0
• SHIELD CLI: n/a

Browser version(s) (please complete if reporting a web UI bug):

• OS: OSX
• Browser: Firefox
• Version: 70.0.1

Additional context Add any other context about the problem here.

[thomasmitchell]

This code is done. Just pending getting the js tests up and running.