She cannot do that if that is not stipulated in the court order.
However, you cannot stop her contempt of court of the court order unless you take her to court for contempt of court. If she takes you to court with this allegation that it is not in the best interest for the child to be visited with your wife present, she will have to show evidence of why this allegation is so. (your wife will have to have been not fit to be around your daughter).
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