[Bug]: dropdown_extra doesn't work if it has a single choice

[TymekDev]

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Project Version

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Platform and OS Version

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Existing Issues

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What happened?

dropdown_extra fails if there is only a single choice.

Steps to reproduce

1. Create dropdown_extra("id", "a")
2. Observe TypeError: choices.map is not a function in the browser console

Expected behavior

Dropdown has a single option and works properly.

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Screenshots or Videos

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Additional Information

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