[batch] expose to the web UI the always_run status of a job

[danking]

What happened?

In [1]: import hailtop.batch as hb
   ...: b = hb.Batch(backend=hb.ServiceBackend())
   ...: j = b.new_job()
   ...: j.always_run()
   ...: b.run()

As a user, I would expect the job's web page to have some indication of the fact that the job is "always run". Currently, there is no indication whatsoever. For example: https://batch.hail.is/batches/8115834/jobs/1

This should at least be visible on the job page and should perhaps also be visible on the batch page. For example, it's quite confusing to see a Batch which is cancelled but whose jobs are "Ready".

Version

0.2.127

Relevant log output

No response