Scrollbar of item pane keeps moving beyond the end

mjthoraval

When I select an item in the items list, the scrollbar keeps moving beyond the end when scrolling with the mouse or pressing the down arrow:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/w9b32sdt4aif5uwlc5ne.png

Zotero 7.1-beta.34+a7964f711 (64-bit)
Windows 10