Boards do not filter by Started (group) milestone

Summary

If you add a board that filters on Started milestone, this won't work with group milestones.

Steps to reproduce

  • Add only a few group milestones and no project milestones
  • Add issues to the group milestones
  • Start one group milestone
  • Create a board that default filters on Started milestone
  • The board shows all issues in milestones, if you manually filter on started it does work.

Example Project

(If possible, please create an example project here on GitLab.com that exhibits the problematic behaviour, and link to it here in the bug report)

(If you are using an older version of GitLab, this will also determine whether the bug has been fixed in a more recent version)

What is the current bug behavior?

IT shows all issues on the board instead filter on Started

What is the expected correct behavior?

That you would see only filtered issues based on Started group milestone

Relevant logs and/or screenshots

The group milestones: Selectie_069

The started milestone: Selectie_070

The default filter for the board and the issue list, which is too long: Selectie_071

Manually filtered board with the correct issue list: Selectie_072

Output of checks

This bug happens on GitLab.com