This is caused by ID clashes, so it's a duplicate of bug 165936. I've fixed this for importing (importing video-display-copy.svg into video-display-paste.svg no longer changes the gradients), but the problem remains for copying.
This is caused by ID clashes, so it's a duplicate of bug 165936. I've fixed this for importing (importing video-display- copy.svg into video-display- paste.svg no longer changes the gradients), but the problem remains for copying.