feat(comp:empty): add simple mode and support css variable

[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?

• 按照设计规范更新图片和样式
• 新增 simple 模式,
• 支持 css variable

需要注意的是：其他组件（例如：table, select ...） 传给 empty 为字符串的时候，不再作为 description 传递给空状态组件。

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #1268 (e556399) into main (99e4ddd) will increase coverage by 0.05%.
The diff coverage is 99.61%.

@@            Coverage Diff             @@
##             main    #1268      +/-   ##
==========================================
+ Coverage   93.05%   93.10%   +0.05%     
==========================================
  Files         320      321       +1     
  Lines       29469    29699     +230     
  Branches     3344     3350       +6     
==========================================
+ Hits        27422    27652     +230     
  Misses       2047     2047              

Impacted Files	Coverage Δ
packages/components/empty/src/Empty.tsx	94.11% <94.73%> (+1.39%)	⬆️
packages/components/_private/empty/src/Empty.tsx	100.00% <100.00%> (ø)
packages/components/cascader/src/types.ts	100.00% <100.00%> (ø)
packages/components/config/src/defaultConfig.ts	100.00% <100.00%> (ø)
packages/components/config/src/types.ts	100.00% <100.00%> (ø)
packages/components/empty/src/Images.tsx	100.00% <100.00%> (ø)
packages/components/empty/src/types.ts	100.00% <100.00%> (ø)
packages/components/list/src/List.tsx	100.00% <100.00%> (ø)
packages/components/list/src/types.ts	100.00% <100.00%> (ø)
packages/components/select/src/types.ts	100.00% <100.00%> (ø)
... and 7 more

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