style(PageIndicator): adjust dot color in white mode (#5607)
style(PageIndicator): adjust dot color in white mode (#5607)

* feat(pageindicator): adjust dot coloron demo

* feat(pageindicator): adjust dot coloron demo

* feat(pageindicator): adjust dot color when white
ant-design/ant-design-mobile,ant-design/ant-design-mobile,ant-design/ant-design-mobile,ant-design/ant-design-mobile