fix(menu): Fix submenu padding inside an itemgroup (#30218)
fix(menu): Fix submenu padding inside an itemgroup (#30218)

* fix(menu): Fix submenu padding inside an itemgroup

* Use prefix variable

Co-authored-by: afc163 <1f47b30b0ff64fbf34ee708f2b94f6fccd6a0c8a@gmail.com>

Co-authored-by: afc163 <1f47b30b0ff64fbf34ee708f2b94f6fccd6a0c8a@gmail.com>
elevensky/ant-design,icaife/ant-design,zheeeng/ant-design,elevensky/ant-design,elevensky/ant-design,icaife/ant-design,ant-design/ant-design,icaife/ant-design,zheeeng/ant-design,icaife/ant-design,zheeeng/ant-design,ant-design/ant-design,ant-design/ant-design,ant-design/ant-design,elevensky/ant-design,zheeeng/ant-design