improvement: billing and report tabs turned invisible. removed from permissions dialog too. this is temporary.

frontend/src/components/ui/staff/StaffPage.tsx

@@ -9,6 +9,7 @@ import {
   canEditStaff,
   canViewStaff,
 } from '@/components/shared/permissions';
+import { preserveHiddenTabPermissions } from '@/components/shared/hidden-tabs';
 import {
   permissionNamesFromFeatureState,
   emptyFeaturePermissionState,
@@ -464,7 +465,10 @@ export function StaffPage() {
 
       await staffApi.updateMember(editing.id, {
         name: editName.trim(),
-        permissionNames: permissionNamesFromFeatureState(editPerms),
+        permissionNames: preserveHiddenTabPermissions(
+          permissionNamesFromFeatureState(editPerms),
+          editing.permissions,
+        ),
       });
 
       toast.showSuccess(t('successMemberUpdated'));