Improve viewing "reply" in thread

When it come to a long thread (eg: https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:yUw32GbYTEqKdgY7-jbZPg/post:ZCNBebV1Q_uGk_NWuOyepA), it is impossible to properly view the reply. 

There is no way to jump to FIRST or LAST PAGE