Bug with the menu

I encounter this bug when I reduce/extend the left menu :

The highlight scroll bar isn't extended at the same time as the menu, it's fixed after a delay of 1 or 2 minutes

Windows 7 x64 (Pro) Firefox 44.0.2 GitLab Community Edition 8.1.2 8c8af7b6

Added frontend label

/cc @iamphill @jschatz1 @alfredo1

Thanks @Ombridride We'll check it out.

Added ~12980 label

Milestone changed to 8.7

Reassigned to @felipe_artur

mentioned in merge request !3444 (closed)

Since we changed the sidebar this bug does not happen anymore.

Status changed to closed