fix: ignore conversion exceptions for plugin configuration to prevent program errors

[guqing]

What type of PR is this?

/kind bug
/area plugin
/milestone 2.20.x

What this PR does / why we need it:

修复插件配置可能因为缺少校验导致使用时类型转换失败从而影响 Halo 使用的问题

Which issue(s) this PR fixes:

Fixes #6899

Does this PR introduce a user-facing change?

修复插件配置可能因为缺少校验导致使用时类型转换失败从而影响 Halo 使用的问题

[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

Attention: Patch coverage is 28.57143% with 5 lines in your changes missing coverage. Please review.

Project coverage is 57.22%. Comparing base (eff73dc) to head (20e631d).
Report is 33 commits behind head on main.

Files with missing lines	Patch %	Lines
...halo/app/plugin/DefaultReactiveSettingFetcher.java	28.57%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6924      +/-   ##
============================================
+ Coverage     56.99%   57.22%   +0.23%     
- Complexity     3999     4007       +8     
============================================
  Files           714      712       -2     
  Lines         24110    24122      +12     
  Branches       1585     1592       +7     
============================================
+ Hits          13742    13805      +63     
+ Misses         9756     9703      -53     
- Partials        612      614       +2     

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[ruibaby]

/lgtm

[JohnNiang]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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• OWNERS [JohnNiang]

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