swayidle: dont enable screenoff action by default

hosts/by-name/moby/default.nix

@@ -41,6 +41,7 @@
   sane.programs.swaylock.enableFor.user.colin = false;  #< not usable on touch
   sane.programs.schlock.enableFor.user.colin = true;
   sane.programs.swayidle.config.actions.screenoff.delay = 150;
+  sane.programs.swayidle.config.actions.screenoff.enable = true;
   sane.programs.sane-input-handler.enableFor.user.colin = true;
   sane.programs.blueberry.enableFor.user.colin = false;  # bluetooth manager: doesn't cross compile!
   sane.programs.mercurial.enableFor.user.colin = false;  # does not cross compile

hosts/common/programs/swayidle.nix

@@ -40,6 +40,9 @@ in
     };
 
     config.actions.screenoff = {
+      # XXX: this turns the screen/touch off, and then there's no way to turn it back ON
+      # unless you've configured that elsewhere (e.g. sane-input-handler)
+      enable = lib.mkDefault false;
       command = "${screenOff}/bin/screen-off";
       delay = lib.mkDefault 1500;  # 1500s = 25min
     };