A Boca Raton mother who spent years fighting criminal charges that were ultimately dropped is now battling in court for the right to see her children again and a hearing set for Thursday morning could mark a turning point.Walquria "Kia" Cassini has not seen her two younger sons in nearly three years. An injunction barring her from contact with them was put in place when she was arrested in March 2024, but records show it was never lifted even af…