[bug] exclude scores if rot and eval straight

[felixdittrich92]

This PR:

• small fix for training with rotations and eval on straight
• ignore scores from results

[codecov[bot]]

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```diff @@ Coverage Diff @@ ## main #1639 +/- ## ======================================= Coverage ? 96.39% ======================================= Files ? 164 Lines ? 7745 Branches ? 0 ======================================= Hits ? 7466 Misses ? 279 Partials ? 0 ``` | [Flag](https://app.codecov.io/gh/mindee/doctr/pull/1639/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mindee) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/mindee/doctr/pull/1639/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mindee) | `96.39% <ø> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=mindee#carryforward-flags-in-the-pull-request-comment) to find out more.

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