(fix)(chat) 修复插件功能，无法调用/插件结果被NL2SQL结果覆盖的问题 (#2277)

Author: BigdataQIJI

chat/server/src/main/java/com/tencent/supersonic/chat/server/plugin/build/webservice/WebServiceQuery.java

@@ -88,10 +88,10 @@ protected WebServiceResp buildResponse(PluginParseResult pluginParseResult) {
         restTemplate = ContextUtils.getBean(RestTemplate.class);
         try {
             responseEntity =
-                    restTemplate.exchange(requestUrl, HttpMethod.POST, entity, Object.class);
+                    restTemplate.exchange(requestUrl, HttpMethod.POST, entity, String.class);
             objectResponse = responseEntity.getBody();
             log.info("objectResponse:{}", objectResponse);
-            Map<String, Object> response = JsonUtil.objectToMap(objectResponse);
+            Map<String, Object> response = JSON.parseObject(objectResponse.toString());
             webServiceResponse.setResult(response);
         } catch (Exception e) {
             log.info("Exception:{}", e.getMessage());

chat/server/src/main/java/com/tencent/supersonic/chat/server/pojo/ParseContext.java

@@ -19,7 +19,7 @@ public ParseContext(ChatParseReq request, ChatParseResp response) {
     }
 
     public boolean enableNL2SQL() {
-        return Objects.nonNull(agent) && agent.containsDatasetTool();
+        return Objects.nonNull(agent) && agent.containsDatasetTool()&&response.getSelectedParses().size() == 0;
     }
 
     public boolean enableLLM() {