fix: set wsl.useWindowsDriver when the nvidia-ctk is enabled

This improves the user experience as whenever the user enables the
`config.hardware.nvidia-container-toolkit.enable` option, they cannot
use their Nvidia GPU's within the Docker containers because of missing
libraries.

This gets fixed by setting `wsl.useWindowsDriver` explicitly when the
user requests to enable GPU support on Docker containers.

Issue and fix provided by @qwqawawow

Related: #433
Related: NVIDIA/nvidia-container-toolkit#452

modules/docker-desktop.nix

@@ -36,6 +36,13 @@ with builtins; with lib; {
         config.wsl.defaultUser
       ];
 
+      # Related issue:
+      #   - https://github.com/nix-community/NixOS-WSL/issues/433
+      #
+      # By setting `useWindowsDriver` to true, the Nvidia libraries are properly
+      # mounted on the container from the host.
+      wsl.useWindowsDriver = mkIf config.hardware.nvidia-container-toolkit.enable true;
+
     };
 
 }