fix(websocket): 移除重复的seq字段并统一在命令中添加

在websocket命令构造中统一添加seq字段，避免在调用处重复设置。移除ckbox页面中重复的seq设置，保持代码一致性。

Cunkebao/src/pages/pc/ckbox/index.tsx

@@ -37,7 +37,6 @@ const CkboxPage: React.FC = () => {
       setInterval(() => {
         sendCommand("CmdRequestWechatAccountsAliveStatus", {
           wechatAccountIds: kfUserList.map(v => v.id),
-          seq: +new Date(),
         });
       }, 10 * 1000);
     }

Cunkebao/src/store/module/websocket/websocket.ts

@@ -233,6 +233,7 @@ export const useWebSocketStore = createPersistStore<WebSocketState>(
       const command = {
         cmdType,
         ...data,
+        seq: +new Date(),
       };
 
       try {