fix: 修复 XInference 供应商加载模型时的未认证导致 API 域名无效的问题

[dolphinlife]

What this PR does / why we need it?

当XInference供应商模型开启认证后，添加模型时的获取模型列表接口未传递 Authorization 导致模型添加失败。页面报 “API 域名无效” 错误。该 PR 修复该问题。

Summary of your change

如果添加模型时设置了API KEY，在调用 XInference 接口时传递该参数。

Please indicate you've done the following:

不涉及。

• Made sure tests are passing and test coverage is added if needed.
• Made sure commit message follow the rule of Conventional Commits specification.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed.

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