Toast: Inappropriate role

[jussirantala]

Bug report

Current Behavior

Toast is a <li> element with role="status" and a children of <ol> which has default role (list).

Expected behavior

<ol> role is not list because <li> can't have any other role than listitem if it's a children of a element with list role. https://www.w3.org/TR/html-aria/#docconformance

This would make it pass jest-axe a11y tests.