Dynamically update templates list based on websocket messages

[mabashian]

ISSUE TYPE

• Feature Idea

SUMMARY

Socket behavior has changed in the old app - we should make it match up here. Use #5968 (comment) as a reference for expected behavior.

We'll need to subscribe to the jobs -> status_changed channel to get these updates.

When we get a message:

• For new jobs (status = pending) we should try to find the template it belongs to and add this new job to the front of the recent_jobs array (popping the last job off if length > 10). For all other status updates we should try to find the template+job and update the status/finished timestamp. No GET requests needed.

Blocked until #5957, #5958 land

[dsesami]

This is closed with the merge of #7613