Filter issues without an Assignee via the API
What does this MR do?
Filtering issues in API on no assignees returned 0 results, now it returns all issues which are not assigned to anyone.
Issuable finder accepts now string and integer for assignee ID = 0.
What are the relevant issue numbers?
closes #41205 (closed)
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary -
Documentation created/updated -
Tests added for this feature/bug -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides