If I click quickly (but not too quick) on the hyperlink to a reference, the reference popup window still opens on the target page:
https://s3.amazonaws.com/zotero.org/images/forums/u265723/00gpkh4zajwdlowfw4wu.png
https://s3.amazonaws.com/zotero.org/images/forums/u265723/sscbuuz2sg2n42chaea3.png

Tested on this OA article: https://doi.org/10.1063/1.5139534

Zotero 8.0-beta.2+2bff6541f (64-bit)
Windows 10