fix(theme): improve app config types for ui object

Resolves #3579

src/templates.ts

@@ -149,7 +149,7 @@ export function getTemplates(options: ModuleOptions, uiConfig: Record<string, an
   templates.push({
     filename: 'types/ui.d.ts',
     getContents: () => `import * as ui from '#build/ui'
-import type { DeepPartial } from '@nuxt/ui'
+import type { TVConfig } from '@nuxt/ui'
 import type { defaultConfig } from 'tailwind-variants'
 import colors from 'tailwindcss/colors'
 
@@ -165,7 +165,7 @@ type AppConfigUI = {
   }
   icons?: Partial<typeof icons>
   tv?: typeof defaultConfig
-} & DeepPartial<typeof ui>
+} & TVConfig<typeof ui>
 
 declare module '@nuxt/schema' {
   interface AppConfigInput {