fix(测试跟踪): 修复测试计划里资源列表创建人展示为关联人的缺陷

--bug=1010273 --user=宋天阳 [测试计划]github#10495v1.17.2测试计划执行报告，创建人不显示
https://www.tapd.cn/55049933/s/1108270

backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanApiCaseMapper.xml

@@ -50,7 +50,7 @@
     c.update_user_id,
     c.num,
     c.tags,
-    t.create_user,
+    c.create_user_id as create_user,
     a.module_id,
     a.path,
     a.protocol,

backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanScenarioCaseMapper.xml

@@ -45,7 +45,7 @@
     c. SCHEDULE,
     c.description,
     c.tags,
-    t.create_user,
+    c.create_user,
     c.project_id,
     c.num,
     c.custom_num,

frontend/src/business/components/api/definition/components/mock/Components/MockApiScriptEditor.vue

@@ -193,7 +193,7 @@ export default {
           if (laguanges === "python") {
             returnScript = 'param=vars["body.${param}"]';
           } else {
-            returnScript = 'var param=vars.get(body.${param}");\n' +
+            returnScript = 'var param=vars.get("body.${param}");\n' +
               '//如果对象是多层JSON，需要引入fastjson协助解析:\n' +
               '// 以"{\"name\":\"user\",\"rows\":[{\"type\":1}]}" 为demo,取rows第1个的type数据:\n' +
               'import com.alibaba.fastjson.JSON;\n' +