Use these terms over "Cross" and "Gamma Cross" in the UI/RNA
when referring to effect strips.
Keep it as "Cross" for blend modes for now (which is in and of itself
a bit of a weird naming. In the future, we should consider unifying
our blend mode types with compositor ones for consistency).
Pull Request: https://projects.blender.org/blender/blender/pulls/139606
d3d4124ce6