[Story] See waveform visualisation for voice messages

[jonnyandrew]

Description

Display a waveform representing the voice message in the player

Acceptance criteria

• Waveform displays in voice messages in timeline.
• Waveform displays in voice message held in the preview player.
• Waveform is generated from the audio details received in the message.
• Waveform for a given message displays the correct shape

Size estimate

None

Dependencies

• 2083

• 2104

Preconditions

No response

Sign-off

Android

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

iOS

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

Out of scope

• Scrubbing the playback position

Open questions

No response

Subtasks

### Android
- [x] Tested waveform shape is correct (tested by comparing waveform peaks with EW)
- [x] Waveform displays in voice messages in timeline.
- [x] Waveform displays in voice message held in the preview player.

### iOS
- [ ] Tested waveform shape is correct
- [ ] Waveform displays in voice messages in timeline.
- [ ] Waveform displays in voice message held in the preview player.
- [ ] https://github.com/vector-im/element-x-ios/pull/1919

### Other
- [x] Fix incorrect waveform value range (resolved in https://github.com/matrix-org/matrix-rust-sdk/pull/2697)