Steamers Subs and Just Desserts held a soft grand opening Monday in the space just a couple doors south of Papa Murphy's takeout pizza on South Carson Street.The restaurant features hot sub sandwiches prepared by steaming, a variety of fountain drinks and various desserts. It also provides platters, box lunches side dishes and pies or other desserts for groups and parties off the premises. This is the first of several, the owners hope."I don't think we want to franchise; we want to expand," said Brian Vieira, one of the two owners and the manager of the Steamers Subs LLC."We actually …