[bugfix] Locale: can not modify functional message

[chenjiahan]

No description provided.

[codecov-io]

Codecov Report

Merging #3498 into dev will increase coverage by 0.07%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##              dev   #3498      +/-   ##
=========================================
+ Coverage   92.53%   92.6%   +0.07%     
=========================================
  Files         117     117              
  Lines        2584    2584              
  Branches      223     223              
=========================================
+ Hits         2391    2393       +2     
+ Misses        169     168       -1     
+ Partials       24      23       -1

Impacted Files	Coverage Δ
packages/utils/deep-assign.ts	100% <100%> (+20%)	⬆️

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