fix: enable enableOffloadCmd in prime.nix only when offload is enabled

common/gpu/nvidia/prime.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, ... }:
+{ lib, pkgs, config, ... }:
 
 {
   imports = [ ./. ];
@@ -6,7 +6,7 @@
   hardware.nvidia.prime = {
     offload = {
       enable = lib.mkOverride 990 true;
-      enableOffloadCmd = true; # Provides `nvidia-offload` command.
+      enableOffloadCmd = lib.mkIf config.hardware.nvidia.prime.offload.enable true; # Provides `nvidia-offload` command.
     };
     # Hardware should specify the bus ID for intel/nvidia devices
   };