fix: PreviewGroup async src order

[shaodahong]

Fixes ant-design/ant-design#29723

[vercel]

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🔍 Inspect: https://vercel.com/react-component/image/3hWmu8FJqThkiDvDbHZpTiqVtykG
✅ Preview: https://image-git-async-src-react-component.vercel.app

[codecov]

Codecov Report

Merging #81 (1271c37) into master (10cb4ca) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #81   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines          249       250    +1     
  Branches        73        73           
=========================================
+ Hits           249       250    +1     

Impacted Files	Coverage Δ
src/Image.tsx	100.00% <100.00%> (ø)
src/PreviewGroup.tsx	100.00% <100.00%> (ø)

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