feat: Enhance dynamic form service and tabs widget functionality

- Added error handling in DynamicFormService to throw an error when a record is not found during deletion, improving robustness.
- Updated TabsWidget to load screen information in parallel with layout data, enhancing performance and user experience.
- Implemented logic to supplement missing screen information for tabs, ensuring all relevant data is available for rendering.
- Enhanced component rendering functions to pass additional screen information, improving data flow and interaction within the widget.

backend-node/src/services/dynamicFormService.ts

@@ -1290,6 +1290,11 @@ export class DynamicFormService {
         return res.rows;
       });
 
+      // 삭제된 행이 없으면 레코드를 찾을 수 없는 것
+      if (!result || !Array.isArray(result) || result.length === 0) {
+        throw new Error(`테이블 ${tableName}에서 ID '${id}'에 해당하는 레코드를 찾을 수 없습니다.`);
+      }
+
       console.log("✅ 서비스: 실제 테이블 삭제 성공:", result);
 
       // 🔥 조건부 연결 실행 (DELETE 트리거)