librewolf: Only enable friendlyfox on phone

Fixes an issue where the user interface would break on desktop devices.

home/librewolf.nix

@@ -1,6 +1,14 @@
-{ pkgs, firefox-addons, ... }:
+{
+  pkgs,
+  lib,
+  firefox-addons,
+  phone,
+  ...
+}:
 
 let
+  inherit (lib) mkIf;
+
   friendlyfox = pkgs.stdenvNoCC.mkDerivation (finalAttrs: {
     pname = "mobile-friendly-firefox";
     version = "2.11.1";
@@ -90,7 +98,7 @@ in
     };
   };
 
-  home.file = {
+  home.file = mkIf phone {
     ".librewolf/default/chrome/userChrome.css".source = "${friendlyfox}/userChrome.css";
     ".librewolf/default/chrome/userContent.css".source = "${friendlyfox}/userContent.css";
   };

hosts/phone/configuration.nix

@@ -193,6 +193,7 @@ in
       hostName = "mobile-nixos";
       stateVersion = "23.11";
       mullvad = true;
+      phone = true;
     };
 
     hardware.keyboardBinds = true;

modules/system.nix

@@ -25,7 +25,7 @@ let
     mullvad
     allowSRB2Port
     allowDevPort
-    hotspot
+    phone
     noRoot
     postgres
     ;
@@ -82,7 +82,7 @@ in
     postgres = mkEnableOption "postgres database for containers";
     allowSRB2Port = mkEnableOption "port for srb2";
     allowDevPort = mkEnableOption "port for development server";
-    hotspot = mkEnableOption "mobile hotspot support";
+    phone = mkEnableOption "phone support";
   };
 
   config = {
@@ -192,6 +192,7 @@ in
 
       extraSpecialArgs = {
         inherit firefox-addons;
+        inherit phone;
       };
     };
 
@@ -249,7 +250,7 @@ in
 
       firewall = {
         allowedUDPPorts =
-          optional hotspot [
+          optional phone [
             67
             68
           ]