Install disko in the ISOs.

nix/configuration/formats/iso.nix

@@ -14,10 +14,15 @@
     isoImage.makeUsbBootable = true;
 
     me.buildingPortable = true;
+    me.disko.enable = true;
+    me.disko.offline.enable = true;
     me.mountPersistence = lib.mkForce false;
     me.optimizations.enable = lib.mkForce false;
 
     # Not doing image_based_appliance because this might be an install ISO, in which case we'd need nix to do the install.
     # me.image_based_appliance.enable = true;
+
+    # TODO: Should I use this instead of doing a mkIf for the disk config?
+    # disko.enableConfig = false;
   };
 }