Accessibility: Remove tabindex 0 on Flickity sliders

oxygen-flickity-slider-remove-tabindex.js

document.addEventListener('DOMContentLoaded', function () {
	function removeFlickityTabindex() {
		document.querySelectorAll('.flickity-enabled[tabindex="0"]').forEach(function (slider) {
			slider.removeAttribute('tabindex');
		});
	}

	removeFlickityTabindex();

	const observer = new MutationObserver(removeFlickityTabindex);

	observer.observe(document.body, {
		childList: true,
		subtree: true,
		attributes: true,
		attributeFilter: ['tabindex', 'class']
	});
});