feat: improve password confirmation validation for forms

[ruibaby]

What type of PR is this?

/area core
/kind improvement
/milestone 2.20.x

What this PR does / why we need it:

完善部分表单的确定密码校验。

1. 封装单独的校验函数。
2. 完善 i18n。

Does this PR introduce a user-facing change?

None

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.06%. Comparing base (d7aba83) to head (00b1be7).
Report is 8 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6807      +/-   ##
============================================
+ Coverage     57.03%   57.06%   +0.02%     
- Complexity     3978     3980       +2     
============================================
  Files           713      713              
  Lines         23992    23992              
  Branches       1570     1570              
============================================
+ Hits          13685    13692       +7     
+ Misses         9696     9690       -6     
+ Partials        611      610       -1     

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[JohnNiang]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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