As mentioned, the dither modes are not reflected in the design workspace in the way you are thinking. I am not sure what you had done previously, but this is the expected behavior. 
These are the adjustments I shared in my post above. 
As mentioned, the dither modes are not reflected in the design workspace in the way you are thinking. I am not sure what you had done previously, but this is the expected behavior.
These are the adjustments I shared in my post above.
