ID 412084 - Foreground Image Mask results in aliased or ragged edges

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Problem summary
Foreground Image Mask results in aliased or ragged edges.

Customer reported version
modo.13.1v1

Customer reported platform
windows10

Steps to reproduce
1. Open Modo.
2. Select File > Open Scene.
3. Load the attached scene.
4. Render the image. It should render a red cube.
5. Select the camera item.
6. In the Camera item properties, click the "Foreground Image" channel to reveal a clip browser.
7. Select "add clip > load image"
8. Navigate to and load the attached alpha.
9. In the Shading tab of the item tree, enable the "constant" layer inside "testMat."
10. Re-render the image.
Result: The cube should render green, with the background now black. The edges will be aliased/low quality.

Expected behaviour
The foreground image mask should multiply against the image without being filtered.

Actual behaviour
The foreground image mask appears to be filtered or incorrect and creates ragged edges when applied to the image.

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
13.1v1 - Windows 10, OSX 10.14.6
13.0v1 - Windows 10
12.2v3 - Windows 10
12.2v1 - Windows 10
12.1v2 - 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 10.14.6

Earliest version tested
10.2v4 - Windows 10, OSX 10.14.6 - This issue appears to be in all versions of the product

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