fix(接口测试): tcp请求导出以及转性能测试时className不再使用我们覆盖了的类

--bug=1031030 --user=宋天阳 【性能测试】github#26844，TCP协议性能测试报告与JMeter界面的聚合数据不一致
https://www.tapd.cn/55049933/s/1426786

api-test/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsTCPSampler.java

@@ -263,8 +263,13 @@ public class MsTCPSampler extends MsTestElement {
             tcpSampler.setClassname(this.getClassname());
         }
         if (StringUtils.equals("TCPClientImpl", this.getClassname())) {
+            if (config.isOperating()) {
+                //导出时className不转换MsTCPClientImpl。 这个类在性能测试时tps会变得很低
+                tcpSampler.setClassname(TCPSampler.class.getName());
+            } else {
                 tcpSampler.setClassname(MsTCPClientImpl.class.getCanonicalName());
             }
+        }
         tcpSampler.setCharset(this.getConnectEncoding());
         tcpSampler.setServer(this.getServer());
         tcpSampler.setPort(this.getPort());