refactor(backend): use node16 for moduleResolution (#10938)

* refactor(backend): use node16 for moduleResolution

* update deps

* Update tsconfig.json

* ✌️

* revive KEYWORD

* restore strict-event-emitter-types dependency

* restore ms dependency

* cancel redundant import reorder

* fix

* Delete ms.ts

* remove rndstr

---------

Co-authored-by: Kagami Sascha Rosylight <saschanaz@outlook.com>

packages/backend/src/core/entities/UserEntityService.ts

@@ -1,7 +1,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { In, Not } from 'typeorm';
 import * as Redis from 'ioredis';
-import Ajv from 'ajv';
+import _Ajv from 'ajv';
 import { ModuleRef } from '@nestjs/core';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
@@ -31,6 +31,7 @@ type IsMeAndIsUserDetailed<ExpectsMe extends boolean | null, Detailed extends bo
 		Packed<'UserDetailed'> :
 	Packed<'UserLite'>;
 
+const Ajv = _Ajv.default;
 const ajv = new Ajv();
 
 function isLocalUser(user: User): user is LocalUser;