They won’t even have to do that. They’ll just invoke due process and rights of the accused and argue that there is a significant difference between doing a thing and being accused of a thing and thus it has to wait on the courts to decide whether or not he did what he was accused of (and thus whether or not he is barred from holding office).
Then you all will yell about how they’re ignoring that part of the constitution just because he’s Trump. While either arguing that anyone accused of that sort of thing should be barred from running (you really don’t actually want this) or engage in special pleading regarding Trump.