LibWeb: Implement dialog.requestClose() #3280
Open
+150
−63
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See https://html.spec.whatwg.org/multipage/interaction.html#dom-closewatcher-requestclose
Can manually test using https://wpt.live/html/semantics/interactive-elements/the-dialog-element/dialog-requestclose.html where it passes all tests.
If I import the test it's flaky and sometimes fails on test runner.