So I am talking about the same search instance.
I would like to use auto scroll when the user does a search but on a separate page (using same search instance) when I am auto populating I do not want it to use auto scroll.
In my theme it has been coded that if the page is associated to a category then it gets auto-populated with posts of that category. Maybe you have a snippet that can turn off the auto scroll for these pages?
The URL given has the search bar without auto populate. If you add /projets/ on the URL you get the same search instance but with auto populate.