Not possible to filter issues by any milestone via API
Summary
Not possible to filter issues by any milestone via API
Steps to reproduce
Works for "No Milestone"
Does not works for "Any Milestone"
Example Project
https://gitlab.com/api/v4/projects/gitlab-org%2Fgitlab-triage/issues?milestone=Any%20Milestone
What is the current bug behavior?
Does not works for "Any Milestone"
What is the expected correct behavior?
Works like "No Milestone"
Relevant logs and/or screenshots
(Paste any relevant logs - please use code blocks (```) to format console output, logs, and code as it's very hard to read otherwise.)
Output of checks
reproduced on GitLab.com v11.3.0-rc11
Possible fixes
(If you can, link to the line of code that might be responsible for the problem)