fix: set select colour to blue in dark mode

[Light2Dark]

📝 Summary

previously:

now:

I'm not a huge fan of the duplicate selection color too, but couldn't find a good color :/

🔍 Description of Changes

📋 Checklist

• I have read the contributor guidelines.
• For large changes, or changes that affect the public API: this change was discussed or approved through an issue, on Discord, or the community discussions (Please provide a link if applicable).
• I have added tests for the changes made.
• I have run the code and verified that it works as expected.

📜 Reviewers

@akshayka OR @mscolnick

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
marimo-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 6, 2025 11:33am

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