Creating or editing a task shows the snackbar more than once when navigating

[KahiloMassango]

After creating or editing a task, the snackbar displays the message according to the action, but when navigating to a different screen and then returning to tasks screen, the message is shown again.

[thewyp]

这是来自QQ邮箱的假期自动回复邮件。   您好，我最近正在休假中，无法亲自回复您的邮件。我将在假期结束后，尽快给您回复。