fix(接口测试): 修复报告中范例展示时预览数据出现数组格式的问题

--bug=1012866 --user=宋天阳 【接口测试】github#13138，分享出来的接口没有描述信息 json结构图多了个"0"
https://www.tapd.cn/55049933/s/1151538

backend/src/main/java/io/metersphere/api/service/ShareInfoService.java

@@ -397,7 +397,11 @@ public class ShareInfoService {
             }
         }
         if (!previewJsonArray.isEmpty()) {
-            apiInfoDTO.setRequestPreviewData(previewJsonArray);
+            if(previewJsonArray.size() == 1){
+                apiInfoDTO.setRequestPreviewData(previewJsonArray.get(0));
+            }else {
+                apiInfoDTO.setRequestPreviewData(previewJsonArray);
+            }
         }
         apiInfoDTO.setSelectedFlag(true);
         return apiInfoDTO;

frontend/src/business/components/api/automation/scenario/ApiScenarioList.vue

@@ -1153,14 +1153,14 @@ export default {
         param.ids = [row.id];
         this.$post('/api/automation/checkBeforeDelete/', param, response => {
           let checkResult = response.data;
-          let alertMsg = this.$t('load_test.delete_threadgroup_confirm') + " [" + row.name + "] ?";
+          let alertMsg = this.$t('load_test.delete_threadgroup_confirm') + " " + row.name + " ?";
           if (!checkResult.deleteFlag) {
             alertMsg = "";
             checkResult.checkMsg.forEach(item => {
               alertMsg += item;
             });
             if (alertMsg === "") {
-              alertMsg = this.$t('load_test.delete_threadgroup_confirm') + " [" + row.name + "] ?";
+              alertMsg = this.$t('load_test.delete_threadgroup_confirm') + " " + row.name + " ?";
             } else {
               alertMsg += this.$t('api_test.is_continue');
             }

frontend/src/business/components/api/definition/components/document/components/ApiRequestInfo.vue

@@ -138,20 +138,6 @@ export default {
     },
     //构建预览数据
     genPreviewData(previewData) {
-      if (previewData !== null && previewData !== '') {
-        let showDataObj = {};
-        for (var key in previewData) {
-          let value = previewData[key];
-          if (typeof (value) == 'string') {
-            if (value.indexOf("@") >= 0) {
-              value = this.showPreview(value);
-            }
-          }
-          showDataObj[key] = value;
-        }
-        showDataObj = JSON.stringify(showDataObj);
-        previewData = formatJson(showDataObj);
-      }
       return previewData;
     },
   },