Issue filtering with label does not work for "no label" filter

Summary

Issue filtering with label does not work for "no label" filter

Steps to reproduce

Select "no label" filter in issues label dropdown filter.

Expected behavior

Issues without label should be found.

/cc @jschatz1 @iamphill

Fixed this in !3237 (merged)

mentioned in merge request !3237 (merged)

@iamphill Great, thank you! Added this issue to MR description so it got closed automatically.

Status changed to closed by commit f4b6a892

mentioned in commit f4b6a892

mentioned in commit ece28bda