Asset values change when the Editor is out of focus when using Maya or Web Browser

When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other set of opposite numbers (within the constraints of <-1,1>). Sometimes they reset to the default ones.

This was reported in 4.18.3 (CL-3832480) ans reproduced in 4.19.2 (CL-4033788), 4.20 (CL-4212847), and 4.21 (CL-4217587)

1. Download the attached .uasset
2. In a new or existing project drag the attached .uasset into the content folder
3. Open either Maya or a Web Browser
4. Open the UE4 Editor
5. Drag 'SwingingCube' in a Level and Simulate
6. Watch the Output Log and click around in Maya or explore the Web
7. Click back on the UE4 Editor

Results: The values change and it starts to osculate between <-0.6,0.6> or any other set of opposite numbers (within the constraints of <-1,1>)

Expected: The value stays at 1 and -1 for its maximum and minimum values when clicking back into the Editor