fix(theme): fix custom NotFound component rendering (#1163)

Signed-off-by: Roman Ondráček <ondracek.roman@centrum.cz>
Co-authored-by: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>

Author: Roman3349

src/client/app/index.ts

@@ -16,7 +16,7 @@ import { dataSymbol, initData } from './data'
 import { Content } from './components/Content'
 import { ClientOnly } from './components/ClientOnly'
 
-const NotFound = Theme.NotFound || (() => '404 Not Found')
+export const NotFound = Theme.NotFound || (() => '404 Not Found')
 
 const VitePressApp = {
   name: 'VitePressApp',

src/client/theme-default/components/VPContent.vue

@@ -2,7 +2,7 @@
 import { useRoute, useData } from 'vitepress'
 import { useCopyCode } from '../composables/copy-code'
 import { useSidebar } from '../composables/sidebar'
-import NotFound from '../NotFound.vue'
+import { NotFound } from '../../app'
 import VPPage from './VPPage.vue'
 import VPHome from './VPHome.vue'
 import VPDoc from './VPDoc.vue'