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/EnumToBooleanConverter.cs

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+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 EnumToBooleanConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value == null || parameter == null)
+                return false;
+
+            return value.ToString().Equals(parameter.ToString(), StringComparison.InvariantCultureIgnoreCase);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+}