Installing bicep extension is WSL2 environment faile

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**Repro steps:**

1. Launch .net project using code . in a WSL2 window
2. Open bicep file and click 'install' when prompted

**Extension Version:** 1.0.0
**Error Message:** .NET Acquisition Failed: Installation failed: Error: Command failed: "/home/anonymous/.vscode-server/extensions/ms-dotnettools.vscode-dotnet-runtime-1.5.0/dist/install scripts/dotnet-install.sh" -InstallDir "/home/anonymous/.vscode-server/data/User/globalStorage/ms-dotnettools.vscode-dotnet-runtime/.dotnet/6.0.2" -Version 6.0.2 -Runtime dotnet
/home/anonymous/.vscode-server/extensions/ms-dotnettools.vscode-dotnet-runtime-1.5.0/dist/install scripts/dotnet-install.sh: 7: Syntax error: newline unexpected

**Error Stack:** Error: .NET Acquisition Failed: Installation failed: Error: Command failed: "/home/anonymous/.vscode-server/extensions/ms-dotnettools.vscode-dotnet-runtime-1.5.0/dist/install scripts/dotnet-install.sh" -InstallDir "/home/anonymous/.vscode-server/data/User/globalStorage/ms-dotnettools.vscode-dotnet-runtime/.dotnet/6.0.2" -Version 6.0.2 -Runtime dotnet
/home/anonymous/.vscode-server/extensions/ms-dotnettools.vscode-dotnet-runtime-1.5.0/dist/install scripts/dotnet-install.sh: 7: Syntax error: newline unexpected

at /home/anonymous/.vscode-server/extensions/ms-dotnettools.vscode-dotnet-runtime-1.5.0/dist/extension.js:2:13750
at processTicksAndRejections (internal/process/task_queues.js:93:5)

Please attach the log file located at /home/jsheehan/.vscode-server/data/logs/20220223T115128/exthost1/ms-dotnettools.vscode-dotnet-runtime/DotNetAcquisition-ms-dotnettools.vscode-dotnet-runtime-1645645974587.txt. Note that this file may contain personal data.

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