Add waveform to voice message preview UI

[jonnyandrew]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

Add waveform to voice message preview UI.

Seeking and playback progress to follow.

Motivation and context

• Part of [Story] Preview a voice message element-meta#2104

Screenshots / GIFs

Tests

Tested devices

• Physical
• Emulator
• OS version(s): 13

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-x-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-x-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

[jmartinesp]

LGTM, thanks! I found a minor issue though: if you are playing the recorded message and either delete it or send it, it will continue playing.

[jonnyandrew]

Thanks for testing! The issue with the send button is known but not the delete button - I'll fix that in a follow up

[github-actions]

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[julioromano]

It seems to me the codebase tends to prefer top level function for these things: fun aFakeWaveform()

[jonnyandrew]

Ok, I'll fix in a follow up

[julioromano]

Just a nit

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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