I certainly see Correa as a guy who can age reasonably well (as he moves down the defensive spectrum). There was not even a hint of interest (from either side) last year, but that was then....
I'm not sure the shift ban has any particular affect on Hoskins. His shortcomings have tended to show themselves around the base; those balls that a 2B or the shifted SS/3B might have gotten to are just not going to be gotten to be anybody - and certainly not by anybody else the Phillies might put at 1B.
Ironically Bohm might be the only candidate who might provide better defense there, both given his length and that he'd be moving over from a more difficult position. If we're not being sentimental about anyone, a Bohm/Hall platoon or a Bohm/Schwarber platoon with Turner at SS and a new 3B (platooning with Sosa), or Turner at 3B and Segura coming back, is probably a better infield overall. Even if it still leaves you with Castellanos at DH. But as bad as Castellanos was, he's still more playable against RHP than Bohm was. We'd like to believe Bohm got better as the year wore on, but that's not really what happened after July, even though he was one of the better hitters in the Series.