IIRC, Trump was instrumental in getting DeSantis elected. Now would be a good time for DeSantis to return the favor with a statement clearing the air.
I'd prefer to see DeSantis run regardless of what Trump decides to do. I'd like to have a choice.
Trump should be giving endorsements based on who he believes would be the best person for the job. Doing the right thing isn't a favor for which you are owed something. Especially something as significant as election to the Presidency. That should be decided by voters, not by backroom endorsement deals.