Merged Host/Home Opt into SysOpt

modules/nixos/gui/greet/default.nix

@@ -1,5 +1,5 @@
 { lib, config, pkgs, ... }:
-let cfg = config.hostcfg.make.gui;
+let cfg = config.syscfg.make.gui;
 in {
   config = lib.mkIf cfg {
 
@@ -8,7 +8,7 @@ in {
       settings = rec {
         initial_session = {
           command = "zsh";
-          user = "${config.hostcfg.username}";
+          user = "${config.syscfg.defaultUser}";
         };
         default_session = initial_session;
       };