fix: Search button style when customize less vars (#27986)
fix: Search button style when customize less vars (#27986)

close #27965
elevensky/ant-design,zheeeng/ant-design,zheeeng/ant-design,zheeeng/ant-design,ant-design/ant-design,ant-design/ant-design,icaife/ant-design,icaife/ant-design,ant-design/ant-design,icaife/ant-design,elevensky/ant-design,elevensky/ant-design,zheeeng/ant-design,icaife/ant-design,elevensky/ant-design,ant-design/ant-design