ID 363751 - Final Color Output render output is saved to a separate EXR layer rather than the RGB layer

Problem summary
Final Color Output render output is saved to a separate EXR layer rather than the RGB layer. This appears to only occur in specific scenes.

Customer reported version
modo.n/a

Customer reported platform
10.13

Steps to reproduce
1) Open Modo.
2) Open the attached scene.
3) Press "f9" to initiate a bucket render.
4) When the render is complete, right click "save image" and choose "save layered image."
5) Save the image as a "Layered OpenEXR Half 16-bit (*exr)"
6) Load the image in an exr reader.
Result: The RGB channels are empty. The Final Color Output is located in a different layer named "Final Color Output."

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
12.1v2 - Windows 10, OSX 10.13.5
12.1v1 - Windows 10
12.0v1 - Windows 10
11.2v3 - Windows 10
11.2v1 - Windows 10
11.1v1 - Windows 10
11.0v3 - Windows 10
10.2v4 - Windows 10, OSX 10.13.5

Earliest version tested
10.2v4 - Windows 10, OSX 10.13.5 - This issue appears to be in all versions of the product

Expected behaviour
The final color output should be saved to the base RGB channels in the EXR file.

Actual behaviour
The final color output is saved to a separate layer in the EXR file.