Quickly checking it, it seems to be the PDF sidepanel component that creates this scroll. Removing the component from the screen fixes this problem, so there's some internal class that's causing this.
This was tested in Firefox, and with a small number of suggestions that does not fill the entire height of the screen.
On the IX suggestions screen you can scroll past the footer.
Screencast from 2024-07-25 10-20-43.webm
Quickly checking it, it seems to be the PDF sidepanel component that creates this scroll. Removing the component from the screen fixes this problem, so there's some internal class that's causing this.
This was tested in Firefox, and with a small number of suggestions that does not fill the entire height of the screen.