#1 set as desktop background
-> modified file will not be created! OK
#2 click on "automaticly improve", and than set it as desktop background again
-> photo will be improved by "photos"; modified file will be created; modified file will be set as background. OK
#3 edit the foto with the "adjust tool", and than set it as desktop backgound again
-> the photo will be reseted in the preview. FAIL
open an image in the edit mode (double click)
#1 set as desktop background
-> modified file will not be created! OK
#2 click on "automaticly improve", and than set it as desktop background again
-> photo will be improved by "photos"; modified file will be created; modified file will be set as background. OK
#3 edit the foto with the "adjust tool", and than set it as desktop backgound again
-> the photo will be reseted in the preview. FAIL