Add missing await

web/src/app/Prefs.js

@@ -24,7 +24,7 @@ class Prefs {
   }
 
   async setDeleteAfter(deleteAfter) {
-    this.db.prefs.put({ key: "deleteAfter", value: deleteAfter.toString() });
+    await this.db.prefs.put({ key: "deleteAfter", value: deleteAfter.toString() });
   }
 
   async deleteAfter() {

web/src/components/Navigation.jsx

@@ -16,7 +16,8 @@ import {
   Tooltip,
   Typography,
   Box,
-  IconButton, Button
+  IconButton,
+  Button,
 } from "@mui/material";
 import * as React from "react";
 import { useContext, useState } from "react";