Two objects in one sketch has strange result

[Andy1978]

FreeCAD Version: 1.1.1.20260414 (Git shallow) AppImage
OpticsWorkbench 1.3.5

if there is one sketch with two shapes which are extruded, the simulation doesn't work as expected (for me):

if I move them to two different bodies it works as expected:

Is this expected or a bug?

sketches.zip

[chbergmann]

This is a bug. With two separate shapes in one lens the algorithm has problems to detect to detect if a ray is still inside or already outside the lens.