fix: markdown render table duplicate column elements

[ByteLan]

中文模板 / Chinese Template

• [√] I have read and followed Pull Request Guidelines of the contributing guide.

What kind of change does this PR introduce? (check at least one)

• [√] Bugfix
• Feature
• Code style update
• Refactor
• Test Case
• TypeScript definition update
• Document improve
• CI/CD improve
• Branch sync
• Other, please describe:

PR description

Fixes # MarkdownRender table duplicate column elements

• when header containing more than two components or bold texts

Changelog

🇨🇳 Chinese

• Fix: 修复了当MarkdownRender中的默认表格table，使用Mdx组件的标题 或 标题使用加粗，数量≥2，会出现后面的列覆盖前面的列这种情况。

issue：#2716

---

🇺🇸 English

• Fix: fix MarkdownRender table duplicate column elements when header containing more than two components or bold texts

Checklist

• [√] Test or no need
• [√] Document or no need
• [√] Changelog or no need

Other

• Skip Changelog

Additional information

见飞书文档：https://byte-lan.feishu.cn/docx/B6YPdkeTSoboxHxCzRucYlLFn3f

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 3ad69eb:

Sandbox	Source
pr-story	Configuration