add a button to scroll to the "new messages" marker

[ask-compu]

Describe the problem

when viewing a chat where the "new messages" marker is off screen due to scroll it can be a little tedious to find the marker to look through the chat from the message u last read

to clarify this the marker i'm talking about

Describe the solution you'd like

add a button that appears when the "new messages" marker is off screen, this button should scroll up to the "new messages" marker, similar to the "jump to latest" button

Alternatives considered

No response

Additional context

No response