fix: CanvasElement에 Warehouse3DWidget 렌더링 추가

- 대시보드 디자이너에서 warehouse-3d 위젯이 표시되지 않던 문제 수정
- dynamic import 및 렌더링 케이스 추가

frontend/components/admin/dashboard/CanvasElement.tsx

@@ -98,6 +98,17 @@ const DocumentWidget = dynamic(() => import("@/components/dashboard/widgets/Docu
   loading: () => <div className="flex h-full items-center justify-center text-sm text-gray-500">로딩 중...</div>,
 });
 
+const Warehouse3DWidget = dynamic(
+  () =>
+    import("@/components/admin/dashboard/widgets/Warehouse3DWidget").then((mod) => ({
+      default: mod.Warehouse3DWidget,
+    })),
+  {
+    ssr: false,
+    loading: () => <div className="flex h-full items-center justify-center text-sm text-gray-500">로딩 중...</div>,
+  },
+);
+
 // 시계 위젯 임포트
 import { ClockWidget } from "./widgets/ClockWidget";
 // 달력 위젯 임포트
@@ -727,6 +738,11 @@ export function CanvasElement({
           <div className="widget-interactive-area h-full w-full">
             <DocumentWidget />
           </div>
+        ) : element.type === "widget" && element.subtype === "warehouse-3d" ? (
+          // 창고 현황 3D 위젯 렌더링
+          <div className="widget-interactive-area h-full w-full">
+            <Warehouse3DWidget element={element} />
+          </div>
         ) : (
           // 기타 위젯 렌더링
           <div