Fixed horizontal scrollbar implementation to only scroll the waveform
content area while keeping track controls fixed in the viewport.
Changes:
- Wrapped waveform content in a scrollable container with overflow-x-auto
- Moved minWidth calculation to inner container
- Track controls now stay fixed at 192px width
- No scrollbar appears on initial track load
- Scrollbar only appears when zooming extends content beyond viewport
Resolves issue where entire track row (including controls) was
scrolling out of view when zoomed in.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Sebastian Krüger
cd311d8145