Description of the issue: During login on Allegro.pl after providing user name and password tab crashes with RESULT_CODE_KILLED_BAD_MESSAGE instead of showing a form to enter 2FA token.
Exact URL of the website in question: https://allegro.pl/logowanie → https://allegro.pl/logowanie/dwustopniowa-autoryzacja/sms
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
Does the site work as expected when using Chrome? Yes
Brave version (check About Brave): 1.35.100