fix: Bug #402 住院医生站诊断录入：保存后列表出现重复记录且元数据缺失

- 恢复 saveDoctorDiagnosis 和 saveDoctorDiagnosisNew 方法中被注释掉的
  deleteEncounterDiagnosisInfos 调用
- 确保保存诊断前先清除旧记录，避免重复插入
- 元数据在后续 saveOrUpdate 中正确设置

openhis-server-new/openhis-application/src/main/java/com/openhis/web/doctorstation/appservice/impl/DoctorStationDiagnosisAppServiceImpl.java

@@ -220,7 +220,7 @@ public class DoctorStationDiagnosisAppServiceImpl implements IDoctorStationDiagn
         // 诊断定义集合
         List<SaveDiagnosisChildParam> diagnosisChildList = saveDiagnosisParam.getDiagnosisChildList();
         // 先删除再保存
-        // iEncounterDiagnosisService.deleteEncounterDiagnosisInfos(encounterId);
+        iEncounterDiagnosisService.deleteEncounterDiagnosisInfos(encounterId);
         // 保存诊断管理
         Condition condition;
         for (SaveDiagnosisChildParam saveDiagnosisChildParam : diagnosisChildList) {
@@ -296,7 +296,7 @@ public class DoctorStationDiagnosisAppServiceImpl implements IDoctorStationDiagn
         }
         
         // 先删除再保存
-        // iEncounterDiagnosisService.deleteEncounterDiagnosisInfos(encounterId);
+        iEncounterDiagnosisService.deleteEncounterDiagnosisInfos(encounterId);
 
         // 如果本次保存中有设置主诊断，则先清空该就诊下所有的主诊断标记，确保唯一性
         boolean hasMain = diagnosisChildList.stream().anyMatch(d -> Integer.valueOf(1).equals(d.getMaindiseFlag()));