ba81908a2d
Make it so transform between color spaces which is a no-op does not peroform any calculations. This was initially found when working on #110941, but the issue can be replicated easily by renaming "Linear" to "Linear Rec.709" and adding alias as "Linear". Doing so would result in a failure of the compositor_matte_test. The reason for that is due to the image data-block still referring to the "Linear" color space, the name-based comparison not detecting that "Linear" and "Linear Rec.709" are the same spaces, and that the cryptomatte requires bit-perfect floating point values. Pull Request: https://projects.blender.org/blender/blender/pulls/110959
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