mooclet n/a for conditions + tooltip

Bug: conditions section card in new UI shows weights instead of N/A, this was an oversight in new UI. It does correctly show N/A in the condition enrollment card.

We should show a tooltip also to explain why N/A

<img width="864" height="762" alt="Image" src="https://github.com/user-attachments/assets/b506b555-69d7-4773-8b56-2ef0b3723b86" />