[Navigation menu] Some classes are not applied when using app.config.ts

[KonradDRAST]

Environment

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• Operating System: Windows_NT
• Node Version: v20.18.2
• Nuxt Version: 3.15.4
• CLI Version: 3.21.1
• Nitro Version: 2.10.4
• Package Manager: [email protected]
• Builder: -
• User Config: compatibilityDate, future, app, colorMode, css, devtools, modules
• Runtime Modules: @nuxt/[email protected], @nuxt/[email protected]
• Build Modules: -

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Is this bug related to Nuxt or Vue?

Nuxt

Version

3.0.0-alpha.12

Reproduction

https://codesandbox.io/p/devbox/nuxt-ui3-n3sxks

Description

according to docs, paddings for main items are set in slot "label".
adding different padding in this slot makes no difference

adding for example gap in the list slot makes a difference

It looks like template overrides are not fully working.

Additional context

No response

Logs

[KonradDRAST]

In other case (slot item) standard class is ignored, when added as important is duplicated