- Maintenance standardize datetime format to YYYY-MM-DD hh:mm:ss

- Import dayjs extensions one time only
- Maintenance activeCondition centralize

src/components/settings/General.vue

@@ -145,11 +145,7 @@
 <script>
 import HiddenInput from "../../components/HiddenInput.vue";
 import dayjs from "dayjs";
-import utc from "dayjs/plugin/utc";
-import timezone from "dayjs/plugin/timezone";
 import { timezoneList } from "../../util-frontend";
-dayjs.extend(utc);
-dayjs.extend(timezone);
 
 export default {
     components: {