Badge on Ubuntu has unexpected counter

[c-naumann]

How to use GitHub

• Please use the 👍 reaction to show that you are affected by the same issue.
• Please don't comment if you have no relevant information to add. It's just extra noise for everyone subscribed to this issue.
• Subscribe to receive notifications on status change and new comments.

---

Steps to reproduce

1. Use Nextcloud Talk on Ubuntu and pin it to Dash
2. Receive some messages, click on the message
3. Notification Count does not decrease

Expected behaviour

After viewing a new message, the notification count in the dash bar should decrease / dissapear after reading all new messages.

Actual behaviour

The notification count only increases throughout a day. Need to restart to reset it.

Diagnosis and logs

Diagnosis report

Diagnosis report

Nextcloud Talk Desktop
Version	v1.0.1
Built-in Talk version	v20.1.1
Operating system	Linux 6.8.0-51-generic (#52-Ubuntu SMP PREEMPT_DYNAMIC Thu Dec 5 13:09:44 UTC 2024)
Executable Path	/app/lib/com.nextcloud.talk/Nextcloud Talk
Using Wayland	❌ no
Connected to	-
Nextcloud server version	30.0.4
Nextcloud Talk version	20.1.1
notifications app enabled	✅ yes
notify_push app enabled	✅ yes

Application config

{
  "theme": "light",
  "systemTitleBar": false,
  "monochromeTrayIcon": false,
  "zoomFactor": 1,
  "playSoundChat": "respect-dnd",
  "playSoundCall": "respect-dnd",
  "enableCallbox": "respect-dnd"
}

Client logs

A lot of errors like this (no more information shown in the console):

[Insert error logs here.
](index.js:2 WebSocket connection to 'wss://server824.dmsolutionsonline.de/push/ws' failed:)```

</details>