Windows-only shortcut is created by Linux and MacOS shell installers

[dokempf]

Checklist

• [X] I added a descriptive title
• [X] I searched open reports and couldn't find a duplicate

What happened?

I have a Windows only shortcut defined here: https://github.com/conda-forge/helios-menuinst-feedstock/blob/main/recipe/src/menu.json#L32

However, the shell installers for Linux and MacOS also add this shortcut (which is of course not functional). You can download the installers for reproduction here: https://heibox.uni-heidelberg.de/d/5672545fba1b4185a3be/

Is this a bug or did I misread the documentation about how to specify platforms?

Conda Info

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Conda Config

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Conda list

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Additional Context

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