bugfix: in NMBaseModel.validate() method, change model_validate() for…

… model_validate_string() which correctly interprets the string keys produced by model_dump() as member variables

py_neuromodulation/utils/pydantic_extensions.py

@@ -135,7 +135,7 @@ def __repr__(self):
         return pformat(self.model_dump())
 
     def validate(self) -> Any:  # type: ignore
-        return self.model_validate(self.model_dump())
+        return self.model_validate_strings(self.model_dump())
 
     def __getitem__(self, key):
         return getattr(self, key)