Fix not sending `file_chunks` parameter to Sweep in evals (#46999)

Closes #ISSUE

Release Notes:

- N/A *or* Added/Fixed/Improved ...
d1e4ef09eeBen Kunkle committed on 1/16/2026, 4:56:33 PM· committed by GitHubparent19be78c
3 files changedLine totals unavailable