Incorrect UI when setting Duration.zero

[maxpelna]

Describe the bug

When setting animationDuration: Duration.zero for AudioFileWaveforms, the waveform displays incorrectly

To Reproduce

Steps to reproduce the behavior:

1. In the example app, open the chat_bubble.dart file
2. Locate AudioFileWaveforms and add animationDuration: Duration.zero
3. Reload the app and check UI

Expected behavior

Waveforms should display waves that match the audio instead of flat line

Smartphone:

• Device: iPhone 16 simulator
• OS: iOS 18.5
• Version: 1.3.0

Screenshots