[Bug] Option `--code-version=insiders` broken

[RedCMD]

when running vscode-test with --code-version=insiders
the 160MB insiders zip is downloaded twice every single time

✔ Validated version: insiders
✔ Found at https://update.code.visualstudio.com/latest/win32-x64-archive/insider?released=true
✔ Downloaded VS Code into E:\repos\RedCMD\redcmd.tmlanguage-syntax-highlighter\.vscode-test\vscode-win32-x64-archive-insiders
✔ Validated version: insiders
Error reading product.json (Error: ENOENT: no such file or directory, open 'E:\repos\RedCMD\redcmd.tmlanguage-syntax-highlighter\.vscode-test\vscode-win32-x64-archive-insiders\resources\app\product.json') will download again
✔ Updating Insiders unknown (1970-01-01T00:00:00.000Z) -> 7c62052af606ba507cbb8ee90b0c22957bb175e7
✔ Found at https://update.code.visualstudio.com/latest/win32-x64-archive/insider?released=true
✔ Downloaded VS Code into E:\repos\RedCMD\redcmd.tmlanguage-syntax-highlighter\.vscode-test\vscode-win32-x64-archive-insiders

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heres my extension repo
https://github.com/RedCMD/TmLanguage-Syntax-Highlighter/blob/023d2d0df6a7ee65eab81e40136e2c46a5a8c97c/package.json#L66
just add --code-version=insiders to test