fix:修复服务契约OpenAPI追加契约接口存在问题

[chuntaojun]

Please provide issue(s) of this PR:
Fixes #

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• ApiServer
• Auth
• Configuration
• Naming
• HealthCheck
• Metrics
• Docs
• Installation
• Performance and Scalability
• Test and Release

Please check any characteristics that apply to this pull request.

• Does not have any user-facing changes. This may include API changes, behavior changes, performance improvements, etc.

[polaris-test-bot]

2024-03-04 12:33:40: =========TEST START==========

[codecov]

Codecov Report

Attention: Patch coverage is 17.44681% with 194 lines in your changes are missing coverage. Please review.

Project coverage is 55.11%. Comparing base (fcfec62) to head (f955f09).
Report is 3 commits behind head on main.

Files	Patch %	Lines
apiserver/xdsserverv3/generate.go	0.00%	74 Missing ⚠️
apiserver/xdsserverv3/server.go	0.00%	26 Missing ⚠️
apiserver/xdsserverv3/debug.go	0.00%	19 Missing ⚠️
auth/defaultauth/auth_checker.go	22.22%	12 Missing and 2 partials ⚠️
auth/defaultauth/server.go	43.47%	8 Missing and 5 partials ⚠️
cache/service/service_contract.go	27.77%	12 Missing and 1 partial ⚠️
apiserver/xdsserverv3/eds.go	0.00%	8 Missing ⚠️
auth/defaultauth/utils.go	25.00%	4 Missing and 2 partials ⚠️
service/service_contract.go	25.00%	4 Missing and 2 partials ⚠️
apiserver/xdsserverv3/rds.go	0.00%	5 Missing ⚠️
... and 4 more

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1332       +/-   ##
===========================================
+ Coverage   21.71%   55.11%   +33.39%     
===========================================
  Files          35      209      +174     
  Lines        5272    40385    +35113     
===========================================
+ Hits         1145    22257    +21112     
- Misses       4031    15492    +11461     
- Partials       96     2636     +2540     

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