Fix import related TypeScript errors (#9321)

* Add missing @types packages

* Fix TS1272 type only imports

* Fix TS2821 import assertion

packages/backend/src/server/web/ClientServerService.ts

@@ -9,7 +9,6 @@ import ms from 'ms';
 import sharp from 'sharp';
 import pug from 'pug';
 import { In, IsNull } from 'typeorm';
-import { FastifyInstance, FastifyPluginOptions, FastifyReply } from 'fastify';
 import fastifyStatic from '@fastify/static';
 import fastifyView from '@fastify/view';
 import fastifyCookie from '@fastify/cookie';
@@ -31,6 +30,7 @@ import { bindThis } from '@/decorators.js';
 import manifest from './manifest.json' assert { type: 'json' };
 import { FeedService } from './FeedService.js';
 import { UrlPreviewService } from './UrlPreviewService.js';
+import type { FastifyInstance, FastifyPluginOptions, FastifyReply } from 'fastify';
 
 const _filename = fileURLToPath(import.meta.url);
 const _dirname = dirname(_filename);

packages/backend/src/server/web/UrlPreviewService.ts

@@ -1,6 +1,5 @@
 import { Inject, Injectable } from '@nestjs/common';
 import summaly from 'summaly';
-import { FastifyRequest, FastifyReply } from 'fastify';
 import { DI } from '@/di-symbols.js';
 import type { UsersRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
@@ -10,6 +9,7 @@ import type Logger from '@/logger.js';
 import { query } from '@/misc/prelude/url.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { bindThis } from '@/decorators.js';
+import type { FastifyRequest, FastifyReply } from 'fastify';
 
 @Injectable()
 export class UrlPreviewService {