feat: made persist build with new impermanence system

modules/home-manager-modules/openssh.nix

@@ -96,7 +96,7 @@
         }
       )
       (lib.mkIf config.impermanence.enable {
-        home.persistence."/persist${config.home.homeDirectory}" = {
+        home.persistence."/persist/home" = {
           files = lib.lists.flatten (
             builtins.map (hostKey: [".ssh/${hostKey.path}" ".ssh/${hostKey.path}.pub"]) config.programs.openssh.hostKeys
           );