Fix the Dollar prefixed columns during serialization

Author: Alekhya-Polavarapu

src/Core/Services/MetadataProviders/Converters/DatabaseObjectConverter.cs

@@ -65,6 +65,7 @@ public override void Write(Utf8JsonWriter writer, DatabaseObject value, JsonSeri
             // Add other properties of DatabaseObject
             foreach (PropertyInfo prop in value.GetType().GetProperties())
             {
+                // Skip the TypeName property, as it has been handled above
                 if (prop.Name == TYPE_NAME)
                 {
                     continue;