style: set scrollToView to smooth (marimo-team#5604)

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Imo, it feels less jarring


https://github.com/user-attachments/assets/34149fc5-6750-4c48-995f-6e6702a63f04


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@mscolnick (General, AI)
@dmadisetti (Runtime, Caching, Fileformat, AST)
@manzt (Widgets, Dependency Management, LSP)
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Author: Light2Dark

frontend/src/components/data-table/range-focus/use-scroll-into-view.ts

@@ -34,7 +34,7 @@ export function useScrollIntoViewOnFocus(
       }
 
       indicator.scrollIntoView({
-        behavior: "auto",
+        behavior: "smooth",
         block: "nearest",
         inline: "nearest",
       });