♿️(frontend) fix redundant a-label and improper landmark on public alert

Remove aria-label and region role to avoid duplicate screen reader announcement

CHANGELOG.md

@@ -25,6 +25,10 @@ and this project adheres to
 ⬆️(frontend) upgrade Next.js to v16 #1980
 
 
+### Changed
+
+- ♿️(frontend) fix aria-label and landmark on document banner state #1986
+
 ## [v4.7.0] - 2026-03-09
 
 ### Added
@@ -47,7 +51,6 @@ and this project adheres to
 - 🐛(frontend) fix bug when language not supported by BN #1957
 - 🐛 (backend) prevent privileged users from requesting access #1898
 
-
 ## [v4.6.0] - 2026-03-03
 
 ### Added

src/frontend/apps/impress/src/features/docs/doc-header/components/AlertPublic.tsx

@@ -9,7 +9,7 @@ export const AlertPublic = ({ isPublicDoc }: { isPublicDoc: boolean }) => {
 
   return (
     <Card
-      aria-label={t('Public document')}
+      role="presentation"
       $radius={spacingsTokens['3xs']}
       $direction="row"
       $padding="xs"