fix: fix button vertical align with icon

[DaiQiangReal]

中文模板 / Chinese Template

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PR description

Fixes #2402

Changelog

🇨🇳 Chinese

• Fix: 修复 Button 在 children 直接传入 icon 时，垂直方向不居中的问题 Button的children是图标时，图标垂直方向不居中 #2402

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🇺🇸 English

• Fix: Fixed the issue that Button is not vertically centered when icon is passed directly to children Button的children是图标时，图标垂直方向不居中 #2402

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Project	semi-design
Branch Review	fix_button_icon_vertical_align
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[DaiQiangReal]

#2402