function cloneFix(fix) {
	if (!fix) {
		return null;
	}

	return {
		range: [fix.range[0], fix.range[1]],
		text: fix.text,
	};
}
Clones the given fix object.
@param {Fix|null} fix The fix to clone.
@returns {Fix|null} Deep cloned fix object or `null` if `null` or `undefined` was passed in.