Good Morning, my question is regarding the sources panel when working on a focus merge. I have created a new focus merge without any issue. I saved the document as .afphoto. When I open the document again I can bring up the sources panel using View => Studio => Sources. But the sources panel is empty. Is it possible to reload the images used to create a focus merge to continue editing the focus merged image, or do I have to finish editing the final focus merged image prior to saving t