Libbie Mugrabi’s mom tells Page Six she was left “shaking like a leaf” after her alleged run-ins at her daughter’s court-ordered auction and that her dog, Botox, has been suffering from anxiety after the incident. Socialite Libbie was forced to sell her Hamptons mansion last week to pay off a loan on the property. But the sale on the steps of Southampton courthouse devolved into chaos, with the Post reporting that Scher told an attorney on the scene “your client is a d–k” and that cops came because she was being “disruptive.” But on Friday told us, “I am saddened by the disinformation about my behavior when I never said any foul…