### Self Checks
- [X] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general).
- [X] I have s…
When using enums in Dart, it can become tedious to have to specify the full enum name every time. Since Dart has the ability to infer the type, it would be nice to allow the use of shorter dot syntax …