style: fix Sider light theme (#27227)
style: fix Sider light theme (#27227)

* fixd:Sider组件light模式下样式丢失

* Update light.less

Co-authored-by: jie.ling <b686c7f78eb6202126690c051408594c0b30b207@tongdun.net>
Co-authored-by: 偏右 <1f47b30b0ff64fbf34ee708f2b94f6fccd6a0c8a@gmail.com>
elevensky/ant-design,elevensky/ant-design,icaife/ant-design,ant-design/ant-design,zheeeng/ant-design,ant-design/ant-design,zheeeng/ant-design,zheeeng/ant-design,ant-design/ant-design,icaife/ant-design,elevensky/ant-design,ant-design/ant-design,icaife/ant-design,zheeeng/ant-design,icaife/ant-design,elevensky/ant-design