Fix the problem of not being able to initialize preset plugins

[JohnNiang]

What type of PR is this?

/kind bug
/area core
/area plugin
/milestone 2.16.x

What this PR does / why we need it:

This PR refactors plugin running state change method to resolve the problem of not being able to initialize preset plugins due to too small gap between installation and enabling.

Which issue(s) this PR fixes:

Fixes #5867

Does this PR introduce a user-facing change?

解决初始化时无法正常启用插件的问题

[JohnNiang]

/cherrypick release-2.15

[halo-dev-bot]

@JohnNiang: once the present PR merges, I will cherry-pick it on top of release-2.15 in a new PR and assign it to you.

In response to this:

/cherrypick release-2.15

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[codecov]

Codecov Report

Attention: Patch coverage is 54.54545% with 25 lines in your changes are missing coverage. Please review.

Project coverage is 56.50%. Comparing base (5fdf6c0) to head (304fb84).
Report is 161 commits behind head on main.

Files	Patch %	Lines
...rc/main/java/run/halo/app/plugin/SpringPlugin.java	0.00%	19 Missing ⚠️
...pp/core/extension/reconciler/PluginReconciler.java	50.00%	2 Missing and 2 partials ⚠️
...lo/app/core/extension/endpoint/PluginEndpoint.java	92.85%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5874      +/-   ##
============================================
- Coverage     56.91%   56.50%   -0.41%     
- Complexity     3319     3462     +143     
============================================
  Files           587      612      +25     
  Lines         18968    20477    +1509     
  Branches       1401     1413      +12     
============================================
+ Hits          10795    11570     +775     
- Misses         7594     8326     +732     
- Partials        579      581       +2     

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[ruibaby]

能够正常初始化预设插件，但初始化完成之后访问前台会异常。

halo-log-2024-05-09 14_32.log

[sonarcloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.3% Duplication on New Code

See analysis details on SonarCloud

[ruibaby]

/lgtm

[guqing]

/approve

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: guqing

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[halo-dev-bot]

@JohnNiang: new pull request created: #5883

In response to this:

/cherrypick release-2.15

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.