No, I don’t believe that in that it was just about the visit to the Wall. It was the whole visit. She wore it for more than just going to the wall.
So what you say may apply..but to the entirety of the visit.
Details of her outfit
http://www.dailymail.co.uk/femail/article-4530332/Ivanka-Trump-dons-somber-outfit-Israel-visit.html