fix: Remove unnecessary whitespace in SplitPanelLayoutComponent

- Cleaned up the code by removing an unnecessary blank line in the SplitPanelLayoutComponent.tsx file.
- This minor adjustment improves code readability without affecting functionality.

frontend/lib/registry/components/v2-split-panel-layout/SplitPanelLayoutComponent.tsx

@@ -106,7 +106,7 @@ export const SplitPanelLayoutComponent: React.FC<SplitPanelLayoutComponentProps>
   ...props
 }) => {
   const componentConfig = (component.componentConfig || {}) as SplitPanelLayoutConfig;
-  
+
   // 🐛 디버깅: 로드 시 rightPanel.components 확인
   const rightComps = componentConfig.rightPanel?.components || [];
   const finishedTimeline = rightComps.find((c: any) => c.id === "finished_timeline");