fix: Fixed bad file name in inline::localfs (#1358)

Bug https://github.com/meta-llama/llama-stack/issues/1357

# What does this PR do?
Fix a bug of a wrong file name in inline::localfs datasetio provider

[//]: # (If resolving an issue, uncomment and update the line below)
# (Closes #1357)

## Test Plan
[Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.*]

[//]: # (## Documentation)

Signed-off-by: Josh Salomon <jsalomon@redhat.com>

distributions/remote-vllm/compose.yaml

@@ -71,7 +71,6 @@ services:
           condition: service_healthy
       - vllm-${VLLM_SAFETY_MODEL:+safety}:
           condition: service_healthy
-    # image: llamastack/distribution-remote-vllm
     image: llamastack/distribution-remote-vllm:test-0.0.52rc3
     volumes:
       - ~/.llama:/root/.llama

llama_stack/providers/inline/datasetio/localfs/datasetio.py

@@ -172,7 +172,7 @@ class LocalFSDatasetIOImpl(DatasetIO, DatasetsProtocolPrivate):
         new_rows_df = dataset_impl._validate_dataset_schema(new_rows_df)
         dataset_impl.df = pandas.concat([dataset_impl.df, new_rows_df], ignore_index=True)
 
-        url = str(dataset_info.dataset_def.url)
+        url = str(dataset_info.dataset_def.url.uri)
         parsed_url = urlparse(url)
 
         if parsed_url.scheme == "file" or not parsed_url.scheme: