Fix flow errors in making all button ripples more prominent
Fix flow errors in making all button ripples more prominent

This is related to the change in material-ui defined in https://github.com/callemall/material-ui/pull/2488/commits/5a18177b8a924ba21feb8d947c7b4c24d20831a8

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client