Problem while using uiGrid in a flex container

I'm trying to use uiGrid rc21 in a flex container in which a bottom div is flexible with a specific height on a . If I use auto-resize directive, real height is computed by overkilling performances. So I try to queue redraw event just after new height assignment but I still have a height problem. The following plunker may help you to reproduce this behaviour. http://plnkr.co/edit/GOc48L0sRNhMAsBFhNlT