another Kirigami issue - overlap of header and listview

[Dirk Hohndel]

> On Apr 19, 2016, at 2:34 PM, Kai Uwe Broulik <kde at privat.broulik.de> wrote:
> 
> I don't know the code by heart but doesn't the ScrollView set a top margin? If so, contentY should be set to it rather than assuming it's based on the header height.

I searched for just that margin and couldn't find it. I don't think my patch is the right fix, but it seems to be a fix.

/D