fix: strip existing sso param from clientUrl, add aria roles to dropdowns, add x-pathname fallback, move .dropdown-menu into @layer components

src/app/layout.tsx

@@ -39,7 +39,7 @@ export default async function RootLayout({ children }: { children: ReactNode })
   const defaultDark = await siteSettings.getBool("default_dark", false);
 
   const headersList = await headers();
-  const pathname = headersList.get("x-pathname") || "";
+  const pathname = headersList.get("x-pathname") || headersList.get("next-url") || "";
   const isClient = pathname === "/client" || pathname.startsWith("/client/");
   return (
     <html lang={locale} className={`app ${nunito.variable}`}>