光幕触发修改为同步，消弭信号抖动问题 Excel导出测试

xcd

2020-07-15 d3a44f202c0b12cbac67c71129c3c4f480df55b9

 src/Bro.UI.Model.Winform/UI/DockContent/MenuFrmBase.cs

@@ -27,6 +27,7 @@

                    _constructionDoneHandle.Wait();
                    OnProcessUpdated();
                    //_constructionDoneHandle.Reset();
                }
            }
        }