Roadmap planner not allowing user to edit new lane's label

Summary

Roadmap planner not allowing user to edit new lane's label after it has been added.

Steps to reproduce

1. Go to any page in Confluence and edit it.
2. Add Roadmap Planner macro.
3. Click on Add Lane.
4. Click on the new added lane's label to edit it and click on pencil icon.
5. Try to edit the label.

Expected result

The label should be editable.

Current result

Any of the lanes(including existing lanes) is not editable after new lane added.

Workaround

After a new lane is added, click at any white space to release the focus on Add Label button. The lanes' label should be editable again after that.