Fix JsonNode performance regression (#104048)

src/libraries/System.Text.Json/src/System/Text/Json/Serialization/Converters/Node/JsonNodeConverter.cs

@@ -73,7 +73,7 @@ public override void Write(Utf8JsonWriter writer, JsonNode? value, JsonSerialize
                     node = new JsonArray(element, options);
                     break;
                 default:
-                    node = JsonValue.CreateFromElement(ref element, options);
+                    node = new JsonValueOfElement(element, options);
                     break;
             }