:bug: Fix Divider align in PageHeader
:bug: Fix Divider align in PageHeader

close #15336

zheeeng/ant-design,icaife/ant-design,zheeeng/ant-design,icaife/ant-design,zheeeng/ant-design,elevensky/ant-design,zheeeng/ant-design,ant-design/ant-design,ant-design/ant-design,elevensky/ant-design,elevensky/ant-design,icaife/ant-design,icaife/ant-design,elevensky/ant-design,ant-design/ant-design,ant-design/ant-design