Transparent Controls on Dataset List

@shirey I'm noticing a visual bug on ingest-UI where the controls for the list of datasets for an upload are almost transparent. The UUID for the upload in the example is 8f6ef77a090200d572c331928ade1bd0.

<img width="638" height="330" alt="Image" src="https://github.com/user-attachments/assets/4f80f101-d8ff-4ae9-b047-5ee79aa7b12d" />