kickoff regressions

[Ambroz Bizjak]

Marco Martin wrote:
> -right mouse click on items seems to sometimes work but usually not

I've noticed that right click incorrectly identifies the item below the
pointer. It opens a context menu referring to the item about 100 pixels
below the pointer (if there is one), so it's not converting some
coordinates properly. Maybe the offset is the area on the top of Kickoff?