A $300 million modern home in Miami that’s under construction may have caught the attention of Elon Musk, the world’s richest man, several sources told Gimme Shelter exclusively.  Months before Musk and Sam Altman were duking it out in an Oakland, Calif. courtroom over Open AI’s alleged betrayal of its stated origin — to function as a nonprofit dedicated to saving humanity — a certain unnamed billionaire arrived at this property in spectacular fashion.  “He flew by helicopter and landed in [Biscayne] Bay, and came by raft to the land and then back again,” developer Todd Michael Glaser told Gimme Shelter.  Elon Musk. Jordan Strauss/Invision/AP A new home is being built at 5940 North Bay Road. Bespoke Real Estate This being Florida, there’s a pool. Bespoke Real Estate So, was it Musk who saw the property? “He might have,” Glaser said.…