fix(button): fix n-button to shrink abnormally in certain scenarios w…

[XieZongChen]

…hen using the circle prop

close #1557

[vercel]

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[codecov]

Codecov Report

Merging #1562 (d7b76ec) into main (fd92031) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1562   +/-   ##
=======================================
  Coverage   64.33%   64.33%           
=======================================
  Files         884      884           
  Lines       17111    17111           
  Branches     4043     4043           
=======================================
  Hits        11008    11008           
  Misses       5369     5369           
  Partials      734      734           

Impacted Files	Coverage Δ
src/button/src/styles/button.cssr.ts	80.00% <ø> (ø)

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