fix: 모든 snapToGrid 문법 오류 최종 수정

frontend/components/screen/ScreenDesigner.tsx

@@ -3776,7 +3776,7 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
         size: optimizedGroupSize,
         gridColumns: groupComponent.gridColumns,
         componentsScaled: !!scaledComponents.length,
-        gridAligned: layout.gridSettings?.
+        gridAligned: true,
       });
 
       toast.success(`그룹이 생성되었습니다 (${finalChildren.length}개 컴포넌트)`);