Begin of the insertion### Steps to reproduce

End of the insertion * Begin of the insertionThis requires Activity sort order to be "NewestEnd of the insertion Begin of the deletion Requires NewestEnd of the deletion at the Begin of the insertionbottom"

End of the insertion Begin of the deletion bottom mode

End of the deletion * Begin of the insertionGo to a work package table

* Open a work package in split-screen

* Post a comment


### What is the buggy behavior?

* When first opening the split screen, the Activity tabEnd of the insertion Begin of the deletion AlsoEnd of the deletion doesn't Begin of the insertionautomatically scrollEnd of the insertion Begin of the deletion auto-scrollEnd of the deletion to the bottom Begin of the insertion

End of the insertion Begin of the deletion initially

End of the deletion * Begin of the insertionThis is expect when "Newest at the bottom" is the sort order

* When you post a comment, the Activity tab doens't scroll to the bottom to show the newly postedEnd of the insertion Begin of the deletion Doesn't work on submitEnd of the deletion comment Begin of the insertion


### What is the expected behavior?

End of the insertion Begin of the deletion either

End of the deletion * Begin of the insertionWhen opening the split screen, the Activity tab automatically scrollsEnd of the insertion Begin of the deletion Note: assignEnd of the deletion to Begin of the insertionthe bottom

* After posting a comment, the tab scrolls to the bottom to show the newly posted comment


### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/236813/content">

### Environment information

**Community**
OpenProject 15.0

**Browser:**
Firefox, Mac (desktop)

**Language**
ENEnd of the insertion Begin of the deletion Jonas afterEnd of the deletion