리스트 카드 렌더링 문제 해결

frontend/components/admin/dashboard/WidgetConfigSidebar.tsx

@@ -352,6 +352,10 @@ export function WidgetConfigSidebar({ element, isOpen, onClose, onApply }: Widge
 
     console.log("🔧 [WidgetConfigSidebar] handleApply 호출:", {
       subtype: element.subtype,
+      isMultiDataSourceWidget,
+      dataSources,
+      listConfig,
+      finalChartConfig,
       customMetricConfig,
       updatedElement,
     });