Incorrect scrollIntoView options in adjustment-followed-by-scrollBy.html
The test passes with or without the change, but normally scrollIntoView only takes one argument
Differential Revision: https://phabricator.services.mozilla.com/D216449
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1907647
gecko-commit: ec2e67e645c32711c025d2a629d0e1635c0ba23b
gecko-reviewers: hiro