refactor: Use new main menu as "Getting started" column in Advanced Web UI (#35117)

app/javascript/mastodon/features/ui/components/columns_area.jsx

@@ -25,7 +25,7 @@ import BundleColumnError from './bundle_column_error';
 import { ColumnLoading } from './column_loading';
 import { ComposePanel, RedirectToMobileComposeIfNeeded } from './compose_panel';
 import DrawerLoading from './drawer_loading';
-import { NavigationPanel } from 'mastodon/features/navigation_panel';
+import { CollapsibleNavigationPanel } from 'mastodon/features/navigation_panel';
 
 const componentMap = {
   'COMPOSE': Compose,
@@ -133,7 +133,7 @@ export default class ColumnsArea extends ImmutablePureComponent {
             <div className='columns-area columns-area--mobile'>{children}</div>
           </div>
 
-          <NavigationPanel />
+          <CollapsibleNavigationPanel />
         </div>
       );
     }

app/javascript/mastodon/features/ui/components/navigation_bar.tsx

@@ -22,7 +22,7 @@ import { registrationsOpen, sso_redirect } from 'mastodon/initial_state';
 import { selectUnreadNotificationGroupsCount } from 'mastodon/selectors/notifications';
 import { useAppDispatch, useAppSelector } from 'mastodon/store';
 
-const messages = defineMessages({
+export const messages = defineMessages({
   home: { id: 'tabs_bar.home', defaultMessage: 'Home' },
   search: { id: 'tabs_bar.search', defaultMessage: 'Search' },
   publish: { id: 'tabs_bar.publish', defaultMessage: 'New Post' },