Enable Automatic Parquet File Detection in StreamingLeRobotDataset (Removes Hard-Coded data/*/*.parquet Assumption) issue #2312#2324

Coffeempty wants to merge 2 commits intohuggingface:mainhuggingface/lerobot:mainfrom

Coffeempty:Streaming-Dataset-not-Working---DataFilesNotFoundError-#2312Coffeempty/lerobot:Streaming-Dataset-not-Working---DataFilesNotFoundError-#2312Copy head branch name to clipboard