revert data alias generator

openbb_sdk/sdk/provider/openbb_provider/abstract/data.py

@@ -20,4 +20,8 @@ class Data(BaseModel):
 
         extra = Extra.allow
         allow_population_by_field_name = True
-        alias_generator = to_snake_case
+
+    def __init__(self, **data):
+        """Initialize the model."""
+        data = {to_snake_case(k): v for k, v in data.items()}
+        super().__init__(**data)