Clicking on pipeline schedules as guest results in 404
Description
Currently, when not logged in and clicking on the pipeline schedules tab on a public pipeline, you are given a 404.
Proposal
Instead of throwing a 404, we could allow guests to view pipeline schedules, but not create them.
Links / references
Customer ticket: https://gitlab.zendesk.com/agent/tickets/95520 (internal)
Edited by Matija Čupić