Schedule notification Id is empty while getting notification from GetScheduledToastNotifications method

Describe the bug I have set Id for Schedule notification when creating toast notification. But, Schedule notification Id is empty while getting notification from GetScheduledToastNotifications method and ScheduledToastNotificationShowing event in Winui_desktop project.

Steps to reproduce the bug

1. Run the attached sample and click reminder button in current application.
2. Snooze reminder with 15 minutes.
3. Put a break point on Notification_Click method.
4. Then, once again click reminder button in current application.
5. Check Item Id value in foreach loop. Notification Id will be empty.

Expected behavior Need to maintain same notification Id to check and ignore snoozed reminders(notifications).

Screenshots

Version Info

NuGet package version:

[WinUI 3 - Project Reunion 0.8 Preview: 0.8.0-preview] WinUIToastNotifier_Desktop.zip

Windows app type:

UWP	Win32
Yes	Yes

Windows 10 version	Saw the problem?
Insider Build (xxxxx)
October 2020 Update (19042)
May 2020 Update (19041)	Yes
November 2019 Update (18363)
May 2019 Update (18362)
October 2018 Update (17763)
April 2018 Update (17134)
Fall Creators Update (16299)
Creators Update (15063)

Device form factor	Saw the problem?
Desktop	Yes
Xbox
Surface Hub
IoT

Additional context