[Bug] 填充柄功能显示bug

[echo-LuGuang]

Version

1.10.0

Link to Minimal Reproduction

https://visactor.io/vtable/demo/edit/fill-handle

Steps to Reproduce

官网demo即可重现

Current Behavior

1、拖拽时上下移动，预填充的边框显示会出现bug。 2、预填充的边框能否不同颜色区分？ 3、如果一开始按照左或者右移动，就无法改为上或下，用户体验不好

Expected Behavior

https://github.com/user-attachments/assets/4956e036-6126-454a-a7c8-baab10780877

https://github.com/user-attachments/assets/7c4e1759-2060-48b5-8bdb-43b621960e18

Environment

- OS:macos
- Browser: Google Chrome
- Framework: 无

Any additional comments?

No response

[fangsmile]

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