Steps to reproduce:
1. Create a new script with a class containing an enum (e.g., `public class MyEnumScript { public enum MyEnum { Value1, Value2 } }`)
2. Create a new Unity Behavior graph and Create a new action node (using the Wizard)
3. Generate a new node using the nested enum as a parameter type
4. Examine the generated node code

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Actual results:
The generated node creates a BlackboardVariable with incorrect type reference `BlackboardVariable<MyEnum>` instead of the fully qualified name, causing compilation errors due to the enum not being found in the current scope.

Expected results:
The generated node should create a BlackboardVariable with the fully qualified type name `BlackboardVariable<MyEnumScript.MyEnum>` to properly reference the nested enum.

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Reproducible with versions:
1.0.0 - 1.0.13

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Notes:

• Workaround 1: Manually fix the generated code to include the full class path (MyEnumScript.MyEnum)
• Workaround 2: Move the enum outside of the class wrapper to avoid nested type reference issues