Malaysia once decided Formula One was too expensive to keep, but Bahrain’s displaced Grand Prix has given it an unexpected route back to the calendar, as well as a chance to test whether the sport can still deliver value without the full financial burden of a long-term comeback.Analysts say the one-off race, made possible by the war in Iran and the cancellation of April’s races in Bahrain and Saudi Arabia, offers Malaysia more than a nostalgic return to Sepang: it provides a timely tourism lift...