Unable to “Turn On” Twitter web notifications function

Description of the issue

Unable to “Turn On” Twitter web notifications.”

Exact URL of the website in question
https://twitter.com/settings/push_notifications

Did the issue present with default Shields settings?
Unknown (probably not)

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.
No

Does the site function as expected when using Chrome? (yes/no)
Yes

What Operating System and Brave version/Build are you using when you encounter the issue?
0.66.101 Chromium: 75.0.3770.142(build) (64bit)

Same problem with these