ACE for blend mode testing - need C3 update

FYI - I worked on adding an ACE for setting blend mode, but it does work well with how C3 handles it now. It applies the mode during 3D render, but not after blitting from the 3D image to the C3 canvas. So it appears strange and depends on the orientation and rendering order of all the faces.

I posted this to C3 Forum, to see if they can change the behavior, see the request here:

https://www.construct.net/en/forum/construct-3/plugin-sdk-10/set-blend-mode-3d-o...