imprv: enable config timestamp

get model safely

apps/app/src/migrations/20230731075753-add_installed_date_to_config.js

@@ -1,7 +1,6 @@
 // eslint-disable-next-line import/no-named-as-default
 import Config from '~/server/models/config';
-import User from '~/server/models/user';
-import { getMongoUri, mongoOptions } from '~/server/util/mongoose-utils';
+import { getModelSafely, getMongoUri, mongoOptions } from '~/server/util/mongoose-utils';
 import loggerFactory from '~/utils/logger';
 
 
@@ -14,6 +13,8 @@ module.exports = {
     logger.info('Apply migration');
     mongoose.connect(getMongoUri(), mongoOptions);
 
+    const User = getModelSafely('User') || require('~/server/models/user')();
+
     const appInstalled = await Config.findOne({ key: 'app:installed' });
     if (appInstalled != null && appInstalled.createdAt == null) {
       const initialUser = await User.find().limit(1).sort({ createdAt: 1 });