Automatic update from web-platform-tests Cover a few fragment parsing edge cases (#61042) * Add test-case for DSD when calling document.open() on an XHR response See https://github.com/whatwg/html/pull/12624 This clarifies a scenario where the allow-DSD flag has to be sticky on the document rather than just a parser flag. * Add tests for additional parser edge cases: - Check insertion logic "after body" for template.innerHTML - Check that template.innerHTML takes the custom element registry from the template * Revert template special case -- wpt-commits: 35be3b44f3111c4d614b5b201e399493d20e7b38 wpt-pr: 61042