Bug: Sometimes WELA will not print the number of 0 logs

<img width="825" height="667" alt="Image" src="https://github.com/user-attachments/assets/e85cc0bb-b5b3-4107-a13b-8b78f2e29f98" />

In the results, sometimes it says `high:0,` but sometimes it says `high:,` and the `0` is missing.

@fukusuket Could you take a look at this when you get time?