Fix return statement syntax in map functions

Add missing semicolons after return statement closing in:
- devices page map function
- users page map function

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

app/admin/devices/page.tsx

@@ -344,6 +344,7 @@ export default function DevicesPage() {
               )}
             </div>
           </div>
+          );
         })}
       </div>