I don't really think you've provided an argument for why they should trade him before he signs. You can go 10% over the cap in the summer and Florida's not remotely close to the cap anyways. What if Panarin goes to New York and they moved Hoffman for picks now? Huge hole at wing.
Zilch
I think if FLA is dead set on Pana and Bob, along with reports that they might want to be a package deal, I don't see much reason to not assume that's what will happen. Either way no matter what I think, if Tallon feels that it is likely he'll likely go for it, the guy balls hard.
Even if they miss out, they have Tippett, Deni and Heppo all on the way and are clearly looking to shake things up. Its a low risk, high reward move depending on the return.
Their top line and top 6 centers are set. You can play around with 2nd line wingers if the price is right when you have clear replacements for them