fix hyprland build

modules/desktop-environments/hyprland/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 let
   sddmTheme = "catppuccin-mocha";
 in
@@ -10,12 +10,19 @@ in
   home-manager.users.matt = import ./home.nix;
 
   services = {
-    displayManager.sddm.enable = true;
-    displayManager.sddm.package = pkgs.kdePackages.sddm;
-    displayManager.sddm.theme = sddmTheme;
-    displayManager.defaultSession = "hyprland";
+    displayManager = {
+      sddm = {
+        enable = true;
+        package = pkgs.kdePackages.sddm;
+        theme = sddmTheme;
+        wayland.enable = true;
+      };
+      gdm.enable = lib.mkForce false;
+      defaultSession = "hyprland";
+    };
     # disable plasma
-    desktopManager.plasma6.enable = false;
+    desktopManager.plasma6.enable = lib.mkForce false;
+    desktopManager.gnome.enable = lib.mkForce false;
 
     dbus.enable = true;
 
@@ -86,9 +93,8 @@ in
     font-awesome
     noto-fonts
     noto-fonts-color-emoji
-    nerdfonts
     meslo-lgs-nf
-  ];
+  ] ++ builtins.filter lib.attrsets.isDerivation (builtins.attrValues pkgs.nerd-fonts);
 
   fonts.fontconfig.defaultFonts = {
     emoji = [