[bugfix] id format error when saving flow

1. 修改了 /apps 下的时间列格式
2. 修复了 /apps 下切换 domain 时更新 table
3. 修复了 /apps 下的 id 排序（使用数值，而非字符串字典序）
4. /flowChart 添加 id，从而在页面上支持刷新
5. /flowChart 添加了返回按钮

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# 更新：
1. /flowChart 更新了面包屑导航
2. /flowChart 下禁止切换 domain

![image (7).png](https://dev.azure.com/alicorn-dev/96136197-fa1c-44c2-b522-b9ab8b541f34/_apis/git/repositories/11e363ac-4aa8-4076-9a9a-eaac160866ff/pullRequests/5/attachments/image%20%287%29.png)

Related work items: #63, #64

frontend/src/pages/AppManagement.vue

@@ -57,9 +57,10 @@ interface IAppDisplay{
 }
 
 const authStore = useAuthStore();
+const numberStringSorting = (a: string, b: string) => parseInt(a, 10) - parseInt(b, 10);
 
 const columns = [
-  { name: 'id', label: 'アプリID', field: 'id', align: 'left', sortable: true },
+  { name: 'id', label: 'アプリID', field: 'id', align: 'left', sortable: true, sort: numberStringSorting },
   { name: 'name', label: 'アプリ名', field: 'name', align: 'left', sortable: true },
   { name: 'url', label: 'URL', field: 'url', align: 'left', sortable: true },
   { name: 'user', label: '最後更新者', field: 'user', align: 'left', sortable: true},
@@ -77,16 +78,16 @@ const store = useFlowEditorStore();
 const getApps = async () => {
   loading.value = true;
   const result = await api.get('api/apps');
-  rows.value = result.data.map((item:IManagedApp) => {
+  rows.value = result.data.map((item: IManagedApp) => {
     return {
-      id: Number(item.appid),
+      id: item.appid,
       name: item.appname,
       url: `${item.domainurl}/k/${item.appid}`,
       user: `${item.user.first_name} ${item.user.last_name}` ,
       updatetime:date.formatDate(item.update_time, 'YYYY/MM/DD HH:mm'),
       version: Number(item.version)
     }
-  }).sort((a, b) => a.id - b.id); // set default order
+  }).sort((a: IAppDisplay, b: IAppDisplay) => numberStringSorting(a.id, b.id)); // set default order
   loading.value = false;
 }