Tesla Inc. returned to growth mode in the second quarter, beating Wall Street’s expectations for deliveries and setting a record, relieving some of the pressure on Chief Executive Elon Musk to prove that demand remains strong for the electric-car maker’s vehicles. The Silicon Valley auto maker delivered a total of 95,200 vehicles in the three months that ended June 30, a drastic rise from a year ago as the company worked to boost production. Analysts surveyed by FactSet on average expected total deliveries of 90,680. …