feat: issues list ordered by "first seen" on frontend (#1993)

* The issues listing table starts with default descending order on
      "first seen" column

Signed-off-by: Alan Peixinho <alan.peixinho@profusion.mobi>

Author: alanpeixinho

dashboard/src/components/IssueTable/IssueTable.tsx

@@ -198,7 +198,9 @@ export const IssueTable = ({
   const { listingSize } = useSearch({ from: '/_main/issues' });
   const navigate = useNavigate({ from: '/issues' });
 
-  const [sorting, setSorting] = useState<SortingState>([]);
+  const [sorting, setSorting] = useState<SortingState>([
+    { id: 'first_seen', desc: true },
+  ]);
   const [columnVisibility, setColumnVisibility] = useState<VisibilityState>({
     culprit: false,
   });