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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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[f2c-ci-robot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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Needs approval from an approver in each of these files: - ~~[ui/OWNERS](https://github.com/halo-dev/halo/blob/main/ui/OWNERS)~~ [JohnNiang] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment