refactor(接口测试): 修复swagger的xml导入导出问题

--bug=1022544 --user=郭雨琦
https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001022544

api-test/backend/src/main/java/io/metersphere/api/parse/api/Swagger3Parser.java

@@ -499,11 +499,7 @@ public class Swagger3Parser extends SwaggerAbstractParser {
         if (ref.split("/").length > 3) {
             ref = ref.replace("#/components/schemas/", StringUtils.EMPTY);
         }
-        if (this.components.getSchemas() != null) {
+        if (this.components.getSchemas() != null) return this.components.getSchemas().get(ref);
-            Schema schema = this.components.getSchemas().get(ref);
-            schema.setName(ref);
-            return schema;
-        }
         return null;
     }