{amazon,sd,disk-image,openstack}-image: Fix image.filePath, image.extensions (#409571)

  config.system.nixos.tags = [ "amazon" ];

  config.system.build.image = config.system.build.amazonImage;

  config.image.extension = cfg.format;

  config.image.extension = if cfg.format == "vpc" then "vhd" else cfg.format;

  config.system.build.amazonImage =

    let

      postVM = ''

         extension=''${rootDiskImage##*.}

         friendlyName=$out/${config.image.baseName}

         rootDisk="$friendlyName.root.$extension"

         rootDisk="$friendlyName.$extension"

         mv "$rootDiskImage" "$rootDisk"

         mkdir -p $out/nix-support

    sdImage.storePaths = [ config.system.build.toplevel ];

    image.extension = if config.sdImage.compressImage then "img.zst" else "img";

    image.filePath = "sd-card/${config.image.fileName}";

    image.filePath = "sd-image/${config.image.fileName}";

    system.nixos.tags = [ "sd-card" ];

    system.build.image = config.system.build.sdImage;

    system.build.sdImage = pkgs.callPackage (

    };

    system.nixos.tags = [ cfg.format ] ++ lib.optionals cfg.efiSupport [ "efi" ];

    image.extension = cfg.format;

    image.extension = if cfg.format == "raw" then "img" else cfg.format;

    system.build.image = import ../../lib/make-disk-image.nix {

      inherit lib config pkgs;

      inherit (config.virtualisation) diskSize;