style: remove hover requirement for action buttons across all tables

- Action buttons (Edit, Delete, Impersonate) are now permanently visible for better UX and discoverability.

pages/SuperAdmin.tsx

@@ -248,7 +248,7 @@ export const SuperAdmin: React.FC = () => {
                   <td className="px-6 py-4 text-center font-medium text-zinc-700 dark:text-zinc-300">{tenant.user_count}</td>
                   <td className="px-6 py-4 text-center font-medium text-zinc-700 dark:text-zinc-300">{tenant.attendance_count?.toLocaleString()}</td>
                   <td className="px-6 py-4 text-right">
-                    <div className="flex items-center justify-end gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
+                    <div className="flex items-center justify-end gap-2 transition-opacity">
                       {tenant.id !== 'system' && (
                         <button onClick={() => handleImpersonate(tenant.id)} title="Entrar na Organização" className="p-2 text-zinc-400 hover:text-green-600 hover:bg-green-50 dark:hover:bg-green-900/30 rounded-lg transition-colors">
                           <LogIn size={16} />