feat(dataset api): (1.6/n) fix all iterrows callsites (#1660)

# What does this PR do?
- as title

[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan
CI

```
pytest -v -s --nbval-lax ./docs/notebooks/Llama_Stack_Benchmark_Evals.ipynb
```
<img width="587" alt="image"
src="https://github.com/user-attachments/assets/4a25f493-501e-43f4-9836-d9802223a93a"
/>


[//]: # (## Documentation)

llama_stack/providers/inline/eval/meta_reference/eval.py

@@ -92,11 +92,11 @@ class MetaReferenceEvalImpl(
         validate_dataset_schema(dataset_def.dataset_schema, get_valid_schemas(Api.eval.value))
         all_rows = await self.datasetio_api.iterrows(
             dataset_id=dataset_id,
-            rows_in_page=(-1 if benchmark_config.num_examples is None else benchmark_config.num_examples),
+            limit=(-1 if benchmark_config.num_examples is None else benchmark_config.num_examples),
         )
         res = await self.evaluate_rows(
             benchmark_id=benchmark_id,
-            input_rows=all_rows.rows,
+            input_rows=all_rows.data,
             scoring_functions=scoring_functions,
             benchmark_config=benchmark_config,
         )