Fix DGV Scroller panel for hidden items
Fix DGV Scroller panel for hidden items

Needed a slight nerf.. scroll bar shows the total of items visible, so
needed a translation between its value and the actual row.

Call UpdateScroll if you change visiblity on its own - no event for that

andreaspada/EDDiscovery,EDDiscovery/EDDiscovery,EDDiscovery/EDDiscovery,klightspeed/EDDiscovery,klightspeed/EDDiscovery,andreaspada/EDDiscovery,klightspeed/EDDiscovery,EDDiscovery/EDDiscovery