feat: Enhance EditModal and V2Repeater functionality

- Implemented zone offset adjustments for conditional components in EditModal to ensure correct rendering positions.
- Added repeaterSave event dispatching in EditModal after saving data, improving integration with V2Repeater.
- Updated V2Repeater to handle existing detail data loading based on foreign key relationships, enhancing data management.
- Improved calculation rules handling in V2RepeaterConfigPanel, allowing for dynamic updates and better user experience.
- Enhanced SplitPanelLayoutComponent to conditionally load data based on selected items and tab changes, improving performance and usability.

frontend/types/v2-repeater.ts

@@ -180,7 +180,9 @@ export interface V2RepeaterProps {
   data?: any[]; // 초기 데이터 (없으면 API로 로드)
   onDataChange?: (data: any[]) => void;
   onRowClick?: (row: any) => void;
+  onButtonClick?: (action: string, row?: any, buttonConfig?: any) => void;
   className?: string;
+  formData?: Record<string, any>; // 수정 모드에서 FK 기반 데이터 로드용
 }
 
 // 기본 설정값