less: list options in correct order

tests/modules/programs/less/correct-option-order.nix

@@ -0,0 +1,30 @@
+{ lib, ... }:
+
+{
+  programs.less = {
+    enable = true;
+    options = lib.mkMerge [
+      {
+        quiet = true;
+        use-color = true;
+      }
+      (lib.mkAfter {
+        color = [
+          "HkK" # header: gray
+          "Mkb" # marks: blue
+        ];
+      })
+      (lib.mkOrder 2000 {
+        prompt = "s%f";
+      })
+    ];
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.config/lesskey
+    assertFileContent home-files/.config/lesskey ${builtins.toFile "lesskey.expected" ''
+      #env
+      LESS = --quiet --use-color --color HkK --color Mkb --prompt s%f
+    ''}
+  '';
+}

tests/modules/programs/less/default.nix

@@ -1,4 +1,5 @@
 {
+  less-correct-option-order = ./correct-option-order.nix;
   less-custom-config = ./custom-config.nix;
   less-custom-options = ./custom-options.nix;
   less-custom-options-and-config = ./custom-options-and-config.nix;