notify router: bound the deliveries log append, note doubled retry rows

frontend/packages/swarm-ui/src/pages/notifications/Deliveries.tsx

@@ -51,11 +51,14 @@ export function Deliveries({ rows }: { rows: Delivery[] }) {
   if (rows.length === 0) return <p>no deliveries yet</p>;
   const placed = rows.map((d, place) => ({ ...d, place }));
   return (
-    <Table
-      columns={COLUMNS}
-      rows={placed}
-      rowKey={(d) => String(d.place)}
-      storageKey="swarm-ui:notifications:deliveries-filters"
-    />
+    <>
+      <Table
+        columns={COLUMNS}
+        rows={placed}
+        rowKey={(d) => String(d.place)}
+        storageKey="swarm-ui:notifications:deliveries-filters"
+      />
+      <p>a retried event writes its rows again, so a retry shows twice</p>
+    </>
   );
 }