feat(comp:input-number): add formatter prop to format number display

[sallerli1]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

What is the new behavior?

新增 formatter prop，用于将数字格式化为显示的文字

Other information

[idux-bot]

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[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 87.21%. Comparing base (6d3e185) to head (577ed41).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...ages/components/input-number/src/useInputNumber.ts	78.94%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1993      +/-   ##
==========================================
- Coverage   87.21%   87.21%   -0.01%     
==========================================
  Files         376      376              
  Lines       23467    23291     -176     
  Branches     2441     3389     +948     
==========================================
- Hits        20467    20313     -154     
+ Misses       3000     2978      -22     

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