zlog: Fall back to printing module path instead of `*unknown*` or just crate name (#29691)

Closes #ISSUE

Release Notes:

- N/A *or* Added/Fixed/Improved ...
e3a2d52472Ben Kunkle committed on 5/1/2025, 2:59:51 PM· committed by GitHubparent122af4f
2 files changedLine totals unavailable