Tabs menu blinking when opening

mjthoraval

The tabs menu displays a scrollbar for a short time before reaching its final state:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/eo9r2ges6t7hezd63vqc.png
Final state:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/hbx067mrn93t0kr53qj5.png

Zotero 7.1-beta.36+1eacc8bbd (64-bit)
Windows 10

mjthoraval

I still see the blinking scrollbar in the latest beta in Troubleshooting Mode:
Zotero 7.1-beta.43+59730c0fc (64-bit)