[Gecko Bug 1893127] Back out bug 1881220 for causing worse regressions than the problem it was fixing.

[moz-wptsync-bot]

As a short term fix this seems acceptable. Mark the test for the regressing bug as failing.

Differential Revision: https://phabricator.services.mozilla.com/D208834

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1893127 gecko-commit: d8e23e8fad18a220e7a4516772daea31ded53357 gecko-reviewers: layout-reviewers, firefox-style-system-reviewers, boris