For Gabriel Gordon and his wife Lena, the small restaurant they opened 14 years ago in the coastal California town of Seal Beach was a dream project and the cornerstone of their future success.But this weekend, Beachwood BBQ, which had become a staple in the community, permanently shut down — yet another casualty of the carnage the coronavirus pandemic has unleashed on restaurants across the United States.”This restaurant launched everything for us and allowed us to have a nice life,” said Gordon, 43, who is now concentrating his efforts on another restaurant and three breweries he owns. “Thi…