优化、改造部分代码：

1.登录时是否输入租户码默认是需要输入。
2.切换租户的部分逻辑抽取成独立工具类。
3.表单编辑模块整合部分代码，将两个tabpane抽出来成独立文件。
4.修正bug-表单的列表配置为空时编辑页面报错，现改成为空时赋值{}。
5.系统数据迁移复制功能：去掉一些无用的代码；改成多租户时才允许以租户模式导入。

src/views/workflow/task/components/processTasks/ToDoTasksV2.vue

@@ -37,24 +37,13 @@
     import { storeToRefs } from 'pinia';
     import { useUserStore } from '/@/store/modules/user';
     import {useMessage} from "/@/hooks/web/useMessage";
-    import { changeTenant } from '/@/api/system/tenant';
-    import {useAppStore} from "/@/store/modules/app";
-    import {setupRouterGuard} from "/@/router/guard";
-    import {usePermissionStore} from "/@/store/modules/permission";
-    import {useTabs} from "/@/hooks/web/useTabs";
-    import {useMenuSetting} from "/@/hooks/setting/useMenuSetting";
-    import {useAppInject} from "/@/hooks/web/useAppInject";
+    import {useTenantManager} from "/@/utils/tenantManager";
 
     const router = useRouter();
     const { currentRoute } = router;
     const { t } = useI18n();
-    const appStore = useAppStore();
     const userStore = useUserStore();
     const { userInfo } = storeToRefs(userStore);
-    const { closeOther } = useTabs(router);
-    const permissionStore = usePermissionStore();
-    const { getShowTopMenu } = useMenuSetting();
-    const { getIsMobile } = useAppInject();
 
 
     const configColumns: BasicColumn[] = [
@@ -135,6 +124,8 @@
         }
     });
 
+    const {toggleLocal}=useTenantManager();
+
     onMounted(() => {
         bus.on(FLOW_PROCESSED, onFlowProcessed);
     });
@@ -151,7 +142,7 @@
     );
     const onRowDblClick = (record, index) => {
         const {tenantId,tenantCode,tenantName} = record;
-        let tenantEnabled=getAppEnvConfig().VITE_TENANT_ENABLED;
+        let tenantEnabled=getAppEnvConfig().VITE_GLOB_TENANT_ENABLED;
         if(tenantEnabled =='true'&&tenantId){
             let currentTenantId=userInfo.value.tenantId;
             if(tenantId!=currentTenantId){
@@ -166,7 +157,7 @@
                     ]),
                     width:'600px',
                     onOk: async () => {
-                        toggleLocale(tenantCode).then(()=>{
+                        switchTenant(tenantCode).then(()=>{
                             openDetailPage(record,true);
                         })
 
@@ -206,19 +197,8 @@
         reload();
     }
 
-    async function toggleLocale(tenantCode: string) {
-        appStore.setPageLoadingAction(true);
-        await changeTenant(tenantCode);
-        permissionStore.setDynamicAddedRoute(false);
-        await userStore.afterLoginAction(false);
-        closeOther();
-        await setupRouterGuard(router);
-        await permissionStore.changeSubsystem(getShowTopMenu.value, getIsMobile.value);
-        if(permissionStore.getSubSysList.length>0){
-            permissionStore.setSubSystem(permissionStore.getSubSysList[0].id);
-        }else{
-            permissionStore.setSubSystem("");
-        }
+    async function switchTenant(tenantCode: string) {
+       await toggleLocal({tenantCode:tenantCode, goHome:false,tabCloseAction:"closeOther"});
     }
 
 </script>