Installing Cloud Code in VS Code

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Trying to add the Cloud Code extension inside VS Code but getting errors when building. Looks like the extension has multiple files in the zip root, or something. How can I resolve this without upstream changes?

pkgs.vscode-utils.extensionsFromVscodeMarketplace [
    {
      name = "cloudcode";
      publisher = "googlecloudtools";
      version = "2.0.0";
      sha256 = "PQisBibYm8boTCl5RXs4Pv90mNDjfKxtNxjf22gLhxw=";
    }
]

nix log /nix/store/nx83zvy47a0m2g6vssr57c0bnb7dnfl3-vscode-extension-googlecloudtools-cloudcode-2.0.0.drv
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking sources
unpacking source archive /nix/store/x0kd65631a96c4vzrykcgw25ikmbhdc6-googlecloudtools-cloudcode.zip
unpacker produced multiple directories