"enqueue now" button is broken in the sidekiq dashboard
Summary
https://gitlab.zendesk.com/agent/tickets/46912
(Summarize the bug encountered concisely)
Steps to reproduce
Go to /admin//admin/background_jobs
In Sidekiq View you will see a cron section.
Expected behavior
It should enqueue
Actual behavior
It is giving a 502
Relevant logs and/or screenshots
cc/ @nick.thomas