Voice Broadcast - only send a notification on the first chunk

[Florian14]

Type of change

• WIP Feature
• Bugfix
• Technical
• Other :

Content

During the handling of the notifications, notify only the first voice chunk of a voice broadcast, and ignore the other events related to the voice broadcast chunks

Motivation and context

Close #7845

Screenshots / GIFs

vb_notifications.mp4

Tests

• Enable all notifications on Android device
• Start a voice broadcast from another device
• Pause or wait 2 min to send a chunk
• Verify that a voice broadcast notification appears on Android device
• Resume & Pause again the VB or wait for a second chunk
• Verify that there is no new notification
• Verify that the other notifications (text or simple voice message) are still working

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

5.7% Coverage
0.0% Duplication

[jonnyandrew]

Looks good!