Things that won't happen.
The salt from the ocean has corroded the bars, a good kick likely would open the windows. To secure the place would take years of rework or just outright tear down and rebuild.
The place hasn't had proper upkeep since the late 1960s and honestly very likely before then too. It wouldn't serve to secure anyone that various places out in the Midwestern desert regions wouldn't do multiple times better.
The prison camp isn't where they want to hold them. It's the Guantanamo Bay's Migrant Operations Center where they want to hold them. It suffers the same issues at Alcatraz, so either way they want to slice the bread here, they have to go through a set of hoops to get it to any kind of position to hold long term prisoners.