优化：优化删除知识库/产品库逻辑

smsb-modules/smsb-device/src/main/java/com/inspur/device/service/impl/SmsbDifyDatasetsServiceImpl.java

@@ -445,7 +445,8 @@ public class SmsbDifyDatasetsServiceImpl implements ISmsbDifyDatasetsService {
                 .header("Authorization", "Bearer " + datasetsApiKey)
                 .header("User-Agent","PostmanRuntime/7.26.8");;
             HttpResponse response = request.execute();
-            if (!response.isOk()) {
+            String code = JSONUtil.parseObj(response.body()).getStr("code");
+            if (!response.isOk() && !"not_found".equals(code)) {
                 continue;
             }
             deleteIds.add(id);