ARIA Accessibility improvements (#10674)

* Add missing aria-expanded attributes

* Improve autoComplete for phone numbers & email addresses

* Fix room summary card heading order

* Fix missing label on timeline search field

* Use appropriate semantic elements for dropdown listbox

* Use semantic list elements in keyboard settings tab

* Use semantic list elements in spotlight

* Fix types and i18n

* Improve types

* Update tests

* Add snapshot test

src/components/views/settings/account/EmailAddresses.tsx

@@ -280,7 +280,7 @@ export default class EmailAddresses extends React.Component<IProps, IState> {
                     <Field
                         type="text"
                         label={_t("Email Address")}
-                        autoComplete="off"
+                        autoComplete="email"
                         disabled={this.state.verifying}
                         value={this.state.newEmailAddress}
                         onChange={this.onChangeNewEmailAddress}