[UX improvement] Do not scroll up when partially staging

[ag943]

Hi,
When staging/discarding file parts, the document automatically scrolls to the top, making it hard to track where we were at in long files.
Could it be possible to keep the file where it is when clicking these buttons ?

Thank you and have a good day,

[love-linger]

#2072

[ag943]

Thank you, sorry I did not see the issue before posting