Fix Dark Mode Base Callout

[Linfye]

Contributor checklist

• This pull request is on a separate branch and not the main branch
• I have tested my code with the ./gradlew lintKotlin detekt test command as directed in the testing section of the contributing guide

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Description

This PR fix dark mode callout with popup on keypress on.

Related issue

• Improve non-hold key callouts #21

[github-actions]

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Maintainer checklist

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[andrewtavis]

Thanks for this, @Linfye! First one done 😊 I'll write on the others in the issue :) :)