[Feature] Refactor some code to improve extensibility

[AiRanthem]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

[codecov]

Codecov Report

❌ Patch coverage is 39.62264% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.53%. Comparing base (d7833f5) to head (bea5984).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/utils/sandbox-manager/proxyutils/default.go	0.00%	19 Missing ⚠️
pkg/sandbox-manager/clients/client.go	0.00%	4 Missing ⚠️
pkg/servers/e2b/sandbox.go	0.00%	3 Missing ⚠️
pkg/utils/sandbox-manager/proxyutils/utils.go	80.00%	2 Missing and 1 partial ⚠️
pkg/sandbox-manager/infra/sandboxcr/sandbox.go	33.33%	2 Missing ⚠️
pkg/servers/e2b/services.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   46.89%   46.53%   -0.36%     
==========================================
  Files          77       78       +1     
  Lines        4506     4493      -13     
==========================================
- Hits         2113     2091      -22     
- Misses       2198     2208      +10     
+ Partials      195      194       -1     

Flag	Coverage Δ
unittests	46.53% <39.62%> (-0.36%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[furykerry]

/lgtm
/approve

[furykerry]

plz move third party dependency before repository local dependency

[kruise-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: furykerry

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

Details

Needs approval from an approver in each of these files:

• OWNERS

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