fix(Grid): Offset settings not being overwritten under different screens

[Yuiai01]

[中文版模板 / Chinese template]

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🔗 Related issue link

close #41142

💡 Background and solution

在当前 Col 组件中，如果不同屏幕下的 offset 有差异的话，会出现问题，如下：
修改前，lg 本身 offset 为 0，但是由于 md 上存在 offset，所以页面元素产生偏移

修改后，lg 本身的 offset 覆盖了 md 的 offset，所以页面元素没有产生偏移。

📝 Changelog

Language	Changelog
🇺🇸 English	Fixed offset Settings not being overwritten under different screens
🇨🇳 Chinese	修复不同屏幕下的 offset 设置不会被覆盖

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[github-actions]

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (39adae8) 100.00% compared to head (4220912) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #41309   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          610       610           
  Lines        10494     10452   -42     
  Branches      2868      2848   -20     
=========================================
- Hits         10494     10452   -42     

Impacted Files	Coverage Δ
components/grid/style/index.ts	100.00% <ø> (ø)

... and 5 files with indirect coverage changes

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