refactor(项目设置): 优化状态流接口，避免脏数据导致接口报错

backend/services/system-setting/src/main/java/io/metersphere/system/service/BaseTemplateService.java

@@ -261,6 +261,7 @@ public class BaseTemplateService {
                     request.setFieldId(refFieldMap.get(item.getFieldId()));
                     return request;
                 })
+                .filter(item -> StringUtils.isNotBlank(item.getFieldId()))
                 .toList();
     }
 

backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationStatusFlowSettingService.java

@@ -13,6 +13,7 @@ import io.metersphere.system.domain.StatusItem;
 import io.metersphere.system.dto.StatusItemDTO;
 import io.metersphere.system.mapper.BaseProjectMapper;
 import jakarta.annotation.Resource;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -97,6 +98,7 @@ public class OrganizationStatusFlowSettingService extends BaseStatusFlowSettingS
                             statusDefinition.setStatusId(refFieldMap.get(item.getStatusId()));
                             return statusDefinition;
                         })
+                        .filter(item -> StringUtils.isNotBlank(item.getStatusId()))
                         .toList();
                 statusDefinitions.addAll(projectStatusDefinitions);
             }