fix: 接通服务器V2排序链路

- 将排序参数从V2 Handler传递至Service与Repository

- 增加仓储分页排序与参数白名单测试

frontend/src/api/server/server.ts

@@ -3,7 +3,7 @@
 import { http, type ListResponse } from '@/utils/request';
 
 export const serverApi = {
-  getServers: async (params?: { page?: number; page_size?: number; keyword?: string; status?: string }) => {
+  getServers: async (params?: { page?: number; page_size?: number; keyword?: string; status?: string; sort?: 'hostname'; order?: 'asc' | 'desc' }) => {
     return http.get<ListResponse>('/servers', params);
   },
   getServerDetail: async (id: number | string) => {