Bug description

When zoomed into sample view, vertical mouse movement during clip stretching causes samples to move

Steps to reproduce

1. Zoom in until samples are visible
2. Initiate clip stretching
3. Observe that samples are floating and not fixed in place

Expected behavior

• samples should not move
• stretching should be snapped to samples, similarly to AU3

Actual behavior

No response

Audacity Version

731457f

Operating system

OS independent

Additional context

No response