模型管理功能中模型下载权限管理规则调整

1、模型管理功能中模型下载权限调整为与云脑训练任务的模型下载权限一致。
2、模型详情页面模型下载页签，只有平台管理员、创建者有权限。
3、模型列表页面，创建新版本、下载、修改描述字段，只有平台管理员、创建者有权限。
4、删除，只有平台管理员、项目Owner、创建者有权限。

通过测试，关闭此单。

Deleting a branch is permanent. It CANNOT be undone. Continue?

Dear OpenI User

Thank you for your continuous support to the Openl Qizhi Community AI Collaboration Platform. In order to protect your usage rights and ensure network security, we updated the Openl Qizhi Community AI Collaboration Platform Usage Agreement in January 2024. The updated agreement specifies that users are prohibited from using intranet penetration tools. After you click "Agree and continue", you can continue to use our services. Thank you for your cooperation and understanding.

For more agreement content, please refer to the《Openl Qizhi Community AI Collaboration Platform Usage Agreement》

#1349 模型管理功能中模型下载权限管理规则调整