adding metadata to object explorer node info (#320)

* adding metadata to oe node info

src/Microsoft.SqlTools.ServiceLayer/ObjectExplorer/Nodes/TreeNode.cs

@@ -8,7 +8,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Globalization;
-using System.Linq;
+using Microsoft.SqlTools.ServiceLayer.Metadata.Contracts;
 using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Contracts;
 using Microsoft.SqlTools.ServiceLayer.ObjectExplorer.SmoModel;
 using Microsoft.SqlTools.Utility;
@@ -52,6 +52,12 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes
         /// </summary>
         public string NodeValue { get; set; }
 
+
+        /// <summary>
+        /// Object metadata for smo objects
+        /// </summary>
+        public ObjectMetadata ObjectMetadata { get; set; }
+
         /// <summary>
         /// The type of the node - for example Server, Database, Folder, Table
         /// </summary>
@@ -170,7 +176,8 @@ namespace Microsoft.SqlTools.ServiceLayer.ObjectExplorer.Nodes
                 IsLeaf = this.IsAlwaysLeaf,
                 Label = this.Label,
                 NodePath = this.GetNodePath(),
-                NodeType = this.NodeType
+                NodeType = this.NodeType,
+                Metadata = this.ObjectMetadata
             };
         }