Add true_impact_distance to cross validation output

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (596b783) 92.47% compared to head (b754690) 92.47%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2468 +/- ## ======================================= Coverage 92.47% 92.47% ======================================= Files 234 234 Lines 19814 19814 ======================================= Hits 18323 18323 Misses 1491 1491 ```

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