UModal missing aria description when missing `description` prop

[NojusM]

Environment

Operating system	Windows 11 / Linux 6.6.87.2-microsoft-standard-WSL2
CPU	AMD Ryzen 7 5700X 8-Core Processor (16 cores)
Node.js version	v24.13.0
nuxt/cli version	3.34.0
Package manager	npm@11.11.1
Nuxt version	4.4.2
Nitro version	2.13.1
Builder	vite@7.3.1
Config	compatibilityDate, css, devtools, modules, runtimeConfig, typescript, vite
Modules	@nuxt/eslint@1.15.2, @nuxt/ui@4.5.1, nuxt-auth-utils@0.5.29, @pinia/nuxt@0.11.3

Is this bug related to Nuxt or Vue?

Vue

Package

v4.x

Version

v4.4.2

Reproduction

1. Add <UModal /> component without description prop.
2. Warning in web console Warning: Missing 'Description' or 'aria-describedby="undefined"' for DialogContent.

Description

Expected:

1. Add <UModal/> component
2. No warnings in console
3. Add description prop
4. No warnings in console

Actually:

1. Add <UModal/> component
2. Warning in console - Warning: Missing 'Description' or 'aria-describedby="undefined"' for DialogContent.
3. Add description prop
4. No warnings in console

Additional context

No response

Logs