Christine Quinn is determined to keep her family safe. The former Selling Sunset star has obtained an emergency protective order from her entrepreneur husband, Christian Dumontet, as he continues to sit in jail after being arrested on a felony following a domestic dispute with Quinn, RadarOnline.com has learned. As this outlet reported, Dumontet was taken into custody on Tuesday and booked for assault with a deadly weapon. Quinn told police that her tech hubby allegedly threw a bag with glass in it at her during their argument — but the bag reportedly hit their two-year-old son. Dumonetet was …