fix: causing API to be pending when plugin startup encounters an error

[guqing]

What type of PR is this?

/kind improvement
/area core
/area plugin

What this PR does / why we need it:

修复当启动插件遇到 Error 级别的错误时会导致 API 被挂起无法终止的问题

- Throwable
    - Error
    - Exception

see #6192 for more details

Which issue(s) this PR fixes:

Fixes #6192

Does this PR introduce a user-facing change?

修复当启动插件遇到 Error 级别的错误时会导致 API 被挂起无法终止的问题

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 57.04%. Comparing base (bc10336) to head (5c15ce9).
Report is 32 commits behind head on main.

Files	Patch %	Lines
...pp/core/extension/reconciler/PluginReconciler.java	33.33%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6207      +/-   ##
============================================
+ Coverage     54.51%   57.04%   +2.53%     
- Complexity     3523     3717     +194     
============================================
  Files           646      651       +5     
  Lines         21862    22041     +179     
  Branches       1528     1542      +14     
============================================
+ Hits          11917    12574     +657     
+ Misses         9328     8860     -468     
+ Partials        617      607      -10     

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[ruibaby]

/lgtm

[JohnNiang]

/lgtm

[f2c-ci-robot]

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This pull-request has been approved by: JohnNiang

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