- Introduce RimRegularFileSurface::propertyName() as canonical property key for file-based surfaces.
- Change RimRegularSurface::setPropertyAsDepth() to void and remove existence check; error handling is now in updateSurfaceData().
- Update all usages to match new setPropertyAsDepth() behavior.
- Log and handle missing depth property in updateSurfaceData().
- Update tests to reflect new error handling approach.
- Minor includes and logging improvements.