fix(tasks): Fix args that might be empty

apps/vben5/packages/@abp/tasks/src/components/job-infos/JobInfoDrawer.vue

@@ -94,6 +94,7 @@ const [Drawer, drawerApi] = useVbenDrawer({
     if (isOpen) {
       try {
         formModel.value = {
+          args: {},
           beginTime: formatToDate(new Date()),
           isEnabled: true,
           jobType: JobType.Once,

aspnet-core/modules/task-management/LINGYUN.Abp.TaskManagement.Domain/LINGYUN/Abp/TaskManagement/BackgroundJobInfo.cs

@@ -146,7 +146,10 @@ public class BackgroundJobInfo : AuditedAggregateRoot<string>, IMultiTenant
         // TODO: 是否需要将参数挪到另一个实体? 
         // 任务参数的建议是尽量最小化, 仅存储关键信息
         Args = new ExtraPropertyDictionary();
-        Args.AddIfNotContains(args);
+        if (args != null)
+        {
+            Args.AddIfNotContains(args);
+        }
     }
 
     public void SetPeriodJob(string cron)