Paramount's Sonic the Hedgehog grossed a huge $21 million on Friday for a projected four-day debut of $60 million-plus over Presidents Day weekend, including $50 million or more for the three days.If traffic holds, the family friendly pic has a strong shot of coming in several million dollars higher and unseating Detective Pikachu ($54.3 million) to boast the biggest domestic opening ever for a video game adaptation, according to Comscore and unadjusted for inflation.The PG-rated title —