Ensure dynspread handles zero width/height Image/RBG
@@ -1565,7 +1565,8 @@ class SpreadingOperation(LinkableOperation):
new_data[tuple(vd.name for vd in vdims)] = img
else:
new_data = array
- return element.clone(new_data, **kwargs)
+ return element.clone(new_data, xdensity=element.xdensity,
+ ydensity=element.ydensity, **kwargs)
