fix(comp:button, card, pagination, pro:tree): style update

[danranVm]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

What is the new behavior?

• text 和 link 模式的时候，padding 设置为 0, 背景颜色为透明（禁用状态）
• link 模式的字体颜色为主色
• link 模式, 只有在设置了相关的 attrs 时，才渲染成 a 标签
• 移除 Pagination 组件的背景颜色，pagination-item 的 line-height 为 1
• 移除 Card 组件中 header 的无用样式
• 修复 ProTree 组件中 header 的异常样式

Other information

[idux-bot]

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[codecov]

Codecov Report

Merging #1275 (a6d895e) into main (1a91e5b) will not change coverage.
The diff coverage is n/a.

❗ Current head a6d895e differs from pull request most recent head cb7b957. Consider uploading reports for the commit cb7b957 to get more accurate results

@@           Coverage Diff           @@
##             main    #1275   +/-   ##
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  Coverage   92.99%   92.99%           
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  Files         320      320           
  Lines       29500    29500           
  Branches     3346     3346           
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  Hits        27434    27434           
  Misses       2066     2066           

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