Notification Duplication for Timer.

[Eternal9100]

Checklist

• [X] I can reproduce the bug with the latest version given here.
• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one bug.
• [X] I have read and understood the contribution guidelines.

Affected app version

1.0.0

Affected Android/Custom ROM version

Android 10

Affected device model

Xiaomi Mi A2 Lite

How did you install the app?

F-Droid / IzzyOnDroid

Steps to reproduce the bug

1. Use timer more than once

Expected behavior

1. Single entry for timer fortifications in Android notification sheet

Actual behavior

1. Two entries for timer regardless of number of timers set.

Screenshots/Screen recordings

Additional information

No response