It was not “Doctored” as that implies that it was meant to deceive. It was very obvious that it was a parody, and that the video was manipulated to create a parody.
You nailed it! No deception, no deceit. The whole video was shown, the latter part first, then the other part - all shown with an explanation. Far more just than what CNN does when they only show an excerpt to push their narrative. No grounds to sue Trump.