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/tabs/room/SecurityRoomSettingsTab.tsx

@@ -443,6 +443,7 @@ export default class SecurityRoomSettingsTab extends React.Component<IProps, ISt
                         onClick={this.toggleAdvancedSection}
                         kind="link"
                         className="mx_SettingsTab_showAdvanced"
+                        aria-expanded={this.state.showAdvancedSection}
                     >
                         {this.state.showAdvancedSection ? _t("Hide advanced") : _t("Show advanced")}
                     </AccessibleButton>