[PORT] Scroll images in project issues separately from the remaining issue (gitea#31683)
As discussed in https://github.com/go-gitea/gitea/issues/31667 &
https://github.com/go-gitea/gitea/issues/26561, when a card on a Project
contains images, they can overflow the card on its containing column.
This aims to fix this issue via snapping scrollbars.
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Conflict resolution: none
(cherry picked from commit fe7c9416777243264e8482d3af29e30c2b671074)
authored by