fix 离线显示,优化enable获取设备,优化设备查询营业日期

Src/Dlhis.Canteen/Order/Response/BalanceRecordResponse.cs

@@ -7,6 +7,11 @@ public class BalanceRecordResponse
 {
     public long Id { get; set; }
 
+    /// <summary>
+    /// 是否离线
+    /// </summary>
+    public bool IsOffline { get; set; }
+
     /// <summary>
     /// 流水号
     /// </summary>