Description
When applying the effect "Objekt" / "Mjukt tonat objekt" everything works well during the adjustments of settings.

When clicking OK, the applied effect simply is not there, the object looks just like before.

To Reproduce

1. Open an ORA image
2. Select an object shape in one of the layers
3. Select Effect -> Object -> Soft Toned Object (not sure about English title)
4. Make changes to the effect variables to see the object changes
5. Click OK

Result: Changes not visible on object

Additional Info
If applicable, add a screenshot or attach an example file that demonstrates the issue.

Version
Win 11, Pinta 3, tested with set GSK_RENDERER=vulkan and with set GSK_RENDERER=opengl