Physical Open Water plugin not working with a Panoramic fisheye lens camera

**Describe the bug**
Physical Open Water plugin not working with a Panoramic fisheye lens camera

**General information**
- Blender version: 5.0.1
- Addon version: 1.2
- Engine: Cycles
- Operating System: Windows 11

**To Reproduce**
Change the main view camera from Perspective to Panoramic

**Screenshots**
[If applicable, add screenshots to help explain your problem.]
