fix: getContainer extra width style

[afc163]

close ant-design/ant-design#31303

[codecov]

Codecov Report

Merging #260 (6509fe6) into master (ddba9d5) will increase coverage by 0.04%.
The diff coverage is 100.00%.

❗ Current head 6509fe6 differs from pull request most recent head 90f6df1. Consider uploading reports for the commit 90f6df1 to get more accurate results

@@            Coverage Diff             @@
##           master     #260      +/-   ##
==========================================
+ Coverage   61.26%   61.31%   +0.04%     
==========================================
  Files          41       41              
  Lines         883      884       +1     
  Branches      306      312       +6     
==========================================
+ Hits          541      542       +1     
  Misses        304      304              
  Partials       38       38              

Impacted Files	Coverage Δ
src/Dom/scrollLocker.ts	100.00% <100.00%> (ø)

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