Steps to reproduce:
1.) Open the example "Custom Groupings" in the master branch
2.) Collapse as many groups as needed to make the content less high than the grids viewport
Result: The scrollbar stays visible but is not usable.(Seems to be a new one)

Steps to reproduce:
1.) Open the example "Custom Groupings" in the master branch
2.) Collapse as many groups as needed to make the content less high than the grids viewport
Result: The scrollbar stays visible but is not usable.(Seems to be a new one)