fix(comp:button): danger mode style error

[liuzaijiang]

fix #955

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• 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?

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[idux-bot]

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[codecov]

Codecov Report

Merging #957 (8410168) into main (28b7031) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #957      +/-   ##
==========================================
- Coverage   92.77%   92.76%   -0.01%     
==========================================
  Files         692      692              
  Lines       67787    67819      +32     
  Branches     7928     7933       +5     
==========================================
+ Hits        62888    62911      +23     
- Misses       4899     4908       +9     

Impacted Files	Coverage Δ
...ckages/components/table/src/main/head/HeadCell.tsx	78.26% <0.00%> (-3.65%)	⬇️
packages/pro/config/src/types.ts	100.00% <0.00%> (ø)
packages/components/table/src/types.ts	100.00% <0.00%> (ø)
packages/pro/config/src/defaultConfig.ts	100.00% <0.00%> (ø)
packages/components/tree/__tests__/tree.spec.ts	100.00% <0.00%> (ø)
packages/components/table/src/main/MainTable.tsx	88.79% <0.00%> (ø)
packages/components/table/src/main/head/Head.tsx	100.00% <0.00%> (ø)
...ackages/components/header/__tests__/header.spec.ts	100.00% <0.00%> (ø)
...s/components/tree/src/composables/useDataSource.ts	100.00% <0.00%> (ø)

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