feat: implement auto scroll when draggaing to reorder

[LucasXu0]

Update the drag_to_reorder example code and enable auto-scroll when dragging to the edge.

https://github.com/user-attachments/assets/9dfac2e7-5dfe-4d1e-9e8a-d9a7f0bffc8e

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 72.40%. Comparing base (5d1d311) to head (6617abc). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #889 +/- ## ======================================= Coverage 72.40% 72.40% ======================================= Files 317 317 Lines 14785 14785 ======================================= Hits 10705 10705 Misses 4080 4080 ```

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