[Zotero 7 Beta] Broken tabs navigation arrows

mjthoraval

The tabs navigation arrows are not responding to single click:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/cqu1nx8nj0jo7gn6wt4u.png
They move 2 tabs at once when doing a double click.

I was expecting the same behaviour as in Firefox:
- Move by 1 tab on single click
- Move to the beginning/end on double click

Zotero 7.0.0-beta.66+d0299a1ac (64-bit)
Windows 10