Resolve route conflicts (#5915)

Signed-off-by: gaelgoth <[email protected]>

Author: gaelgoth

workspaces/announcements/.changeset/ninety-poets-hug.md

@@ -0,0 +1,5 @@
+---
+'@backstage-community/plugin-announcements': patch
+---
+
+Fixed routing issue where some links were incorrectly redirecting to `/announcements/admin` instead of `/announcements`. Changed `<AnnouncementsAdminPortal />` from a routable extension to a component extension to resolve the mount point conflict with the main `<AnnouncementsPage />`.

workspaces/announcements/plugins/announcements/src/plugin.ts

@@ -78,10 +78,11 @@ export const AnnouncementsPage = announcementsPlugin.provide(
  * @public
  */
 export const AnnouncementsAdminPortal = announcementsPlugin.provide(
-  createRoutableExtension({
+  createComponentExtension({
     name: 'AnnouncementsAdminPortal',
-    component: () => import('./components/Admin').then(m => m.AdminPortal),
-    mountPoint: rootRouteRef,
+    component: {
+      lazy: () => import('./components/Admin').then(m => m.AdminPortal),
+    },
   }),
 );