fix: improve error handling in admin pages to show user-friendly error messages

- Add error display to help questions new/edit pages
- Improve error visibility in admin-badges, admin-applications, admin-logs, admin-users pages
- Update createHelpQuestion action to properly handle and display unique name collisions and database errors
- Add user-friendly error messages to admin error handling
- Enhances admin page error reporting for better user experience

src/components/language-switcher.tsx

@@ -56,11 +56,12 @@ export function LanguageSwitcher() {
         </svg>
       </button>
 
-      {open && (
-        <div
-          className="glass-dropdown absolute right-0 top-full mt-0.5 min-w-[160px] rounded-xl z-50 py-2"
-        >
-          {LOCALES.map((l) => (
+       {open && (
+         <div
+           className="dropdown-menu absolute right-0 top-full mt-0.5 min-w-[160px] rounded-xl z-50 py-2"
+         >
+           {LOCALES.map((l) => (
+
             <button
               key={l.code}
               type="button"