onnxruntime

7e2f3b93 - Fix usage of stream for memory pattern allocation with arena (#29589)

Fix usage of stream for memory pattern allocation with arena (#29589) ### Description <!-- Describe your changes. --> Use real stream for memory pattern block allocation so that the cleanup of chunks from the arena correctly marks it as unused. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> #29351