Jupyter output graphs have a dark background

[oktouerl]

System details:

Positron and OS details:

Interpreter details:

Describe the issue:

In DataSpell, the Jupyter output graphs have a dark background that matches the IDE's theme style, making it less glaring. Is Positron lacking a similar feature?

Steps to reproduce the issue:

Expected or desired behavior:

Were there any error messages in the UI, Output panel, or Developer Tools console?

[juliasilge]

Thanks for this feedback! Can you share a screenshot of the specific behavior you like in DataSpell?