fix: 代客下单优化离开代客下单页面时主动断开scoket,添加优惠券修改，修改获取优惠券记录请求方式改为get

src/store/modules/carts.ts

@@ -623,6 +623,10 @@ export const useCartsStore = defineStore("carts", () => {
     });
   }
 
+  function disconnect() {
+    sendMessage('disconnect', undefined)
+  }
+
   const delArr = ['skuData', 'coverImg', 'specInfo', 'placeNum', 'update_time', 'create_time', 'packFee', 'memberPrice', 'type']
   function sendMessage(operate_type: msgType, message: any) {
     const msg = { ...message, operate_type: operate_type, table_code: table_code.value }
@@ -633,6 +637,7 @@ export const useCartsStore = defineStore("carts", () => {
     WebSocketManager.sendMessage(msg);
   }
   return {
+    disconnect,
     dinnerType,
     changePack,
     giftMoney,