fix(Grid): resolved border style error

[anlyyao]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

相关PR

common： Tencent/tdesign-common#1595

🔗 相关 Issue

fix #1085

💡 需求背景和解决方案

📝 更新日志

• fix(Grid): 修复 boder 边框缺失

• 本条 PR 不需要纳入 Changelog

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• Changelog 已提供或无须提供

[github-actions]

[github-actions]

Size Change: +111 B (0%)

Total Size: 505 kB

Filename	Size	Change
./dist/tdesign.js	294 kB	+59 B (0%)
./dist/tdesign.min.js	145 kB	+52 B (0%)

ℹ️ View Unchanged

Filename	Size
./dist/reset.css	672 B
./dist/tdesign.css	37.7 kB
./dist/tdesign.min.css	27.4 kB

[github-actions]

Size Change: +128 B (0%)

Total Size: 505 kB

Filename	Size	Change
./dist/tdesign.js	294 kB	+69 B (0%)
./dist/tdesign.min.js	145 kB	+59 B (0%)

ℹ️ View Unchanged

Filename	Size
./dist/reset.css	672 B
./dist/tdesign.css	37.7 kB
./dist/tdesign.min.css	27.4 kB

[github-actions]

Size Change: +120 B (0%)

Total Size: 505 kB

Filename	Size	Change
./dist/tdesign.js	294 kB	+66 B (0%)
./dist/tdesign.min.js	145 kB	+54 B (0%)

ℹ️ View Unchanged

Filename	Size
./dist/reset.css	672 B
./dist/tdesign.css	37.7 kB
./dist/tdesign.min.css	27.4 kB