fix: show all notifications by default in notifications page

to prevent confusion with sidebar item showing that you have new
notifications but the table not showing any because the default filter
is for last week only

Signed-off-by: Heikki Hellgren <heikki.hellgren@op.fi>

.changeset/nice-scissors-jog.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-notifications': patch
+---
+
+Show all notifications by default to match the sidebar item status

plugins/notifications/src/components/NotificationsPage/NotificationsPage.tsx

@@ -71,7 +71,7 @@ export const NotificationsPage = (props?: NotificationsPageProps) => {
   const [pageNumber, setPageNumber] = React.useState(0);
   const [pageSize, setPageSize] = React.useState(5);
   const [containsText, setContainsText] = React.useState<string>();
-  const [createdAfter, setCreatedAfter] = React.useState<string>('lastWeek');
+  const [createdAfter, setCreatedAfter] = React.useState<string>('all');
   const [sorting, setSorting] = React.useState<SortBy>(
     SortByOptions.newest.sortBy,
   );