Add ARIA attributes for menu and separator (#25501)

GitOrigin-RevId: ef80d2811ecee78adc8bb359cf3b059d79fe9900

services/web/frontend/js/features/project-list/components/sidebar/sidebar-ds-nav.tsx

@@ -73,6 +73,7 @@ function SidebarDsNav() {
                   sendMB('menu-expand', { item: 'help', location: 'sidebar' })
                 }
               }}
+              role="menu"
             >
               <Dropdown.Toggle role="menuitem" aria-label={t('help')}>
                 <OLTooltip
@@ -117,6 +118,7 @@ function SidebarDsNav() {
                     })
                   }
                 }}
+                role="menu"
               >
                 <Dropdown.Toggle role="menuitem" aria-label={t('Account')}>
                   <OLTooltip

services/web/frontend/js/features/project-list/components/sidebar/sidebar-filters.tsx

@@ -37,7 +37,7 @@ export default function SidebarFilters() {
       <SidebarFilter filter="shared" text={t('shared_with_you')} />
       <SidebarFilter filter="archived" text={t('archived_projects')} />
       <SidebarFilter filter="trashed" text={t('trashed_projects')} />
-      <li role="none">
+      <li aria-hidden="true">
         <hr />
       </li>
       <TagsList />