设计了流程接口节点，能够切换本节点数据、目标节点数据，目前还有数据来源相关操作没有实现

Workbench/Converters/MethodDetailsSelectorConverter.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace Serein.Workbench.Converters
+{
+    public class MethodDetailsSelectorConverter : IMultiValueConverter
+    {
+        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
+        {
+            bool isShareParam = (bool)values[0];
+            var nodeDetails = values[1];
+            var selectNodeDetails = values[2];
+
+           return isShareParam ? nodeDetails : selectNodeDetails;
+        }
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}