Refraction breaks Translucent Sort Order without Separate Transparency Enabled

With multiple Translucent Material sorted in 3-D space or via Transparency Sort Priority, if one of the materials uses refraction it will render on top of the others no matter position or sort priority.

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*Quick Repro: Open attached Project*

1. Open a New Blank Project with no Starter Content
2. Place two sphere in the level, one directly in front of the other
3. Create a Translucent Material with an Opacity set to 1
4. Create another Translucent Material with and Opacity of 1 and an Index of Refraction of 1.33
5. In both Materials, uncheck Separate Translucency.
6. Assign the Rear Sphere the Refractive Material
7. Assign the Front Sphere the Non-Refractive Material
8. Set the Front Sphere's Translucency Sort Priority to 1.

RESULTS: The Refraction renders on top of the Front Sphere.

EXPECTED: The Refraction should not render on top.