fix(admin): channels 页 Switch 恢复 antd 实现以兼容上游回归测试(本地渠道表单回填守卫)

web/src/pages/admin/channels/channels-page.tsx

@@ -1,5 +1,4 @@
-import { App, Button, Form, Input, InputNumber, Modal, Select } from "antd";
-import { Switch } from "@/components/ui/base/switch";
+import { App, Button, Form, Input, InputNumber, Modal, Select, Switch } from "antd";
 import type { FormInstance } from "antd";
 import type { ColumnsType } from "antd/es/table";
 import { Pencil, Plus, Power, Search, Trash2 } from "lucide-react";