2021-01-14 1. 修改判断当前值是否需要参与签名方法，保持跟云端一致

JLChen

2021-01-14 305f57840fff5b7cb1914b35c56eaece618711e7

 HDL-ON_iOS/Scan.cs

@@ -35,7 +35,6 @@
                var bOn = false;
                mZXingOverlayView.OnCancel += () =>
                {

                    scanner?.Cancel();
                };