feat: Update sidebar

- Perbaiki tampilan sidebar sesuai desain

apps/backoffice/src/app/dashboard/layout.tsx

@@ -4,7 +4,7 @@ import { BackofficeSidebar } from '@imphnen-frontend-service/ui/organisms';
 
 export const AppLayout: FC = (): ReactElement => {
   return (
-    <div className="bg-neutral-900 min-h-screen flex justify-center">
+    <div className="bg-primary-50 min-h-screen flex justify-center">
       <div className="bg-primary-50 min-h-screen max-w-[1280px] w-full flex">
         <BackofficeSidebar />
         <div className="flex-1 overflow-auto">