fix(接口自动化): 导入jmx 初始化body内容

backend/src/main/java/io/metersphere/api/dto/automation/parse/MsJmeterParser.java

@@ -198,6 +198,12 @@ public class MsJmeterParser extends ApiImportAbstractParser<ScenarioImport> {
             samplerProxy.setArguments(new ArrayList<KeyValue>() {{
                 this.add(new KeyValue());
             }});
+            // 初始化body
+            Body body = new Body();
+            body.init();
+            body.initKvs();
+            body.initBinary();
+            samplerProxy.setBody(body);
             if (source != null && source.getHTTPFiles().length > 0) {
                 samplerProxy.getBody().initBinary();
                 samplerProxy.getBody().setType(Body.FORM_DATA);

backend/src/main/java/io/metersphere/api/dto/scenario/Body.java

@@ -116,6 +116,12 @@ public class Body {
         return StringUtils.equals(type, XML);
     }
 
+    public void init() {
+        this.type = "";
+        this.raw = "";
+        this.format = "";
+    }
+
     public void initKvs() {
         this.kvs = new ArrayList<>();
         this.kvs.add(new KeyValue());