fix: resolve issue with secret input saving additional data

[ruibaby]

What type of PR is this?

/kind bug
/area ui
/milestone 2.17.x

What this PR does / why we need it:

修复 Secret Input 保存之后会多出 Secret Form 中数据的问题。

Which issue(s) this PR fixes:

Fixes #6193

Special notes for your reviewer:

测试方式：

1. 在保存 Secret 的表单选项前，打开一次编辑 Secret 的对话框。
2. 保存数据，检查内容是否多出了其他数据。

Does this PR introduce a user-facing change?

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.02%. Comparing base (bc10336) to head (9d2bfe9).
Report is 32 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6196      +/-   ##
============================================
+ Coverage     54.51%   57.02%   +2.51%     
- Complexity     3523     3717     +194     
============================================
  Files           646      651       +5     
  Lines         21862    22041     +179     
  Branches       1528     1542      +14     
============================================
+ Hits          11917    12568     +651     
+ Misses         9328     8866     -462     
+ Partials        617      607      -10     

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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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• ui/OWNERS [JohnNiang]

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