onnxruntime

37817035 - Keep TensorRT cache prefix checks in native filename encoding

Keep TensorRT cache prefix checks in native filename encoding Avoid filesystem::path::string throwing on unrelated Unicode test files in the Windows CI working directory. Add a regression for an unrelated Unicode file followed by an ASCII cache-prefix match. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>