Ron DeSantis’s allies were eager to regain momentum on the eve of his presidential campaign launch in May. Supporters gleefully predicted that the sheer buzz from a splashy announcement — live on Twitter — would rival Donald Trump’s 2015 ride down a golden escalator. Fundraisers were upbeat as they convened at the Four Seasons Miami, some convinced Trump’s daunting lead would shrink as DeSantis finally got in the race.