Bug 1084290 - Allow dragging an icon into a collapsed group. r=kgrandon,crdlc
Bug 1084290 - Add a marionette test for dragging an icon into a collapsed group. r=crdlc,kgrandon
Merge pull request #25339 from Cwiiis/bug1084290-drag-item-to-collapsed-group

Bug 1084290 - Allow dragging an icon into a collapsed group. r=kgrandon,crdlc