修复DObject转对象的错误，不能使用Adapt，改成使用json反序列化

visualdev/Tnb.Vengine/Domain/VmNavProp.cs

@@ -20,37 +20,28 @@ public class VmNavProp : VmBaseProp
     public string vmid { get; set; } = string.Empty;
 
     /// <summary>
-    /// 导航关联类型
+    /// 导航关联类型, 1:一对一,2:一对多
     /// </summary>
     public eNavigateType navType { get; set; }
 
     /// <summary>
-    /// 源表字段
+    /// 源表代码,默认为m,表示与主表关联,可设置为中间表导航属性code,用来表示多对多
     /// </summary>
     public string refCode { get; set; } = VmSelectProp.MAIN_ALIES;
 
     /// <summary>
-    /// 被引用字段
+    /// 源表字段, 源表的外键字段
     /// </summary>
     public string refField { get; set; } = string.Empty;
 
     /// <summary>
-    /// 源表字段
+    /// 导航表字段
     /// </summary>
     public string fkField { get; set; } = string.Empty;
 
-    ///// <summary>
-    ///// 关联表表名
-    ///// </summary>
-    //[JsonIgnore]
-    //public string refTable { get; set; } = string.Empty;
-
-    ///// <summary>
-    ///// 被引用表(中间表)
-    ///// </summary>
-    //[JsonIgnore]
-    //public string? midTable { get; set; }
-
+    /// <summary>
+    /// 关联模型
+    /// </summary>
     [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
     public Vmodel? naviModel { get; set; }