In C2 it works with podes plugin "HTML_Img_Pode", I can get the same images without cors warning. But this plugin does not exist in C3, so I tried (the only way?) to get the images with the default "sprite load image from URL action" with the result.
The url is grabbed by JSON and saved in a object variable url.
Tried all cross-origin settings in the action.
-> urlimage: Load image from Self.url (Keep current size, cross-origin none)
In c2 the fetch in the plugin looks like this:
And in c3: