Add permission check to account holder auth page

- Add grant check (59, 'D') to account holder auth download button
- Refactor inline onClick handler to method reference

Changes:
- account-holder-auth-page: Add permission check for download

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/pages/additional-service/account-holder-auth/account-holder-auth-page.tsx

@@ -26,6 +26,8 @@ import { EmailBottomSheet } from '@/entities/common/ui/email-bottom-sheet';
 import { useExtensionAccessCheck } from '@/shared/lib/hooks/use-extension-access-check';
 import useIntersectionObserver from '@/widgets/intersection-observer';
 import { AccountHolderAuthDetail } from '@/entities/additional-service/ui/account-holder-auth/detail/account-holder-auth-detail';
+import { checkGrant } from '@/shared/lib/check-grant';
+import { showAlert } from '@/widgets/show-alert';
 
 export const AccountHolderAuthPage = () => {
   const { navigate } = useNavigate();
@@ -149,6 +151,10 @@ export const AccountHolderAuthPage = () => {
 
 
   const onClickToOpenEmailBottomSheet = () => {
+    if (!checkGrant(59, 'D')) {
+      showAlert(t('common.nopermission'));
+      return;
+    }
     setEmailBottomSheetOn(true);
   };
 
@@ -210,7 +216,7 @@ export const AccountHolderAuthPage = () => {
                 <button
                   className="download-btn"
                   aria-label={t('common.download')}
-                  onClick={() => onClickToOpenEmailBottomSheet()}
+                  onClick={onClickToOpenEmailBottomSheet}
                 >
                   <img
                     src={IMAGE_ROOT + '/ico_download.svg'}