Description of the issue:
Live chat doesn’t function: opens up a dialog window asking to leave private mode.
Exact URL of the website in question:
https://www.bhphotovideo.com/
Did the issue present with default Shields settings? (yes/no)
Yes
Does the site function as expected when Shields are turned off?
No
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no):
No (I don’t know)
Does the site work as expected when using Chrome?
Yes
Brave version (check About Brave):
Version 1.19.90 Chromium: 88.0.4324.146 (Official Build) (x86_64)
MacOS