melodie-switch: `tune_race_win_loss()` breaks for censored regression

[hfrick]

With https://github.com/tidymodels/tune/tree/melodie-switch:

Probably also due to the .config troubles, since it fails in finetune:::make_config_pairs().

Thus, tests don't get to test the result in
- tests/testthat/test-survival-tune-eval-time-attribute.R
- tests/testthat/test-survival-tune-show-best.R