光幕触发修改为同步，消弭信号抖动问题 Excel导出测试

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2020-07-15 d3a44f202c0b12cbac67c71129c3c4f480df55b9

 src/Bro.Common.Model/Helper/PropertyConvertHelper.cs

@@ -679,7 +679,8 @@
                TextBox tbox = new TextBox
                {
                    Dock = DockStyle.Fill,
                    Multiline = true
                    Multiline = true,
                    ScrollBars = ScrollBars.Both,
                };
                form.Controls.Add(tbox);