refactor: add default sort for extension listing

[guqing]

What type of PR is this?

/kind improvement
/area core
/milestone 2.16.x

What this PR does / why we need it:

为自定义模型 List API 添加默认排序

Which issue(s) this PR fixes:

Fixes #5647

Does this PR introduce a user-facing change?

为自定义模型 List API 添加默认排序

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 56.55%. Comparing base (5fdf6c0) to head (e2d8485).
Report is 177 commits behind head on main.

Files	Patch %	Lines
...run/halo/app/extension/router/SortableRequest.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5937      +/-   ##
============================================
- Coverage     56.91%   56.55%   -0.36%     
- Complexity     3319     3468     +149     
============================================
  Files           587      612      +25     
  Lines         18968    20548    +1580     
  Branches       1401     1420      +19     
============================================
+ Hits          10795    11621     +826     
- Misses         7594     8343     +749     
- Partials        579      584       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ruibaby]

/lgtm

[sonarcloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.2% Duplication on New Code

See analysis details on SonarCloud

[JohnNiang]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [JohnNiang]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment