fix: transforms on dataframe to be reactive

[Light2Dark]

📝 Summary

Fixes #3090 . Previously, the isEqual check will always return true.
onInvalidChange -> sets internalValue to newValue from the form
onChange -> checks whether newValue and internalValue are the same. Yes, they would be.

Screen.Recording.2025-01-25.at.12.01.02.AM.mov

There's some flickering going on (not new issue) when toggling from no cols to 1 col, hard to figure out..

📋 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

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Name	Status	Preview	Comments	Updated (UTC)
marimo-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 24, 2025 4:16pm

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🚀 Development release published. You may be able to view the changes at https://marimo.app?v=0.10.17-dev13