Detach old rows before doing anything else for GridView.p.render()
Detach old rows before doing anything else for GridView.p.render() ... properly this time
Merge branch 'feature/issue-425-gridview-p-render-should-detach-its-rows-instead-of-emptying-itself' into feature/issue-381-basic-dialogue-screen-state-layout
Fixes for the basic dialogue screen layout rendering