fix: recover deleted code

[shaodahong]

Fixes ant-design/ant-design#28953

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[shaodahong]

当时就很奇怪这块的测试是干啥的

https://github.com/react-component/image/pull/48/files

果然天网恢恢啊

[codecov]

Codecov Report

Merging #64 (9f95e9f) into master (973e5ad) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #64   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines          230       233    +3     
  Branches        63        65    +2     
=========================================
+ Hits           230       233    +3     

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

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[u3u]

啊 我当时发现这一块代码没了 还以为是特意删除的
那这样的话 #45 这个问题是不是又会复现了

[shaodahong]

啊 我当时发现这一块代码没了 还以为是特意删除的
那这样的话 #45 这个问题是不是又会复现了

应该是，所以要把判断条件抽出去判断下