This patch will apply the view transform when a movie clip is used as
camera background image. It does this by rendering the image in the
color buffer when it needs the view transform. For other images it uses
the overlay buffer.
This will introduce a limitations that we need to check how we want to
Camera Background images only work in the next configurations:
- Wireframe mode/Solid mode
- Material Preview mode with custom HDRI and World Opacity less than zero.
- Render mode when Film transparency is on.