If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone

If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone

Note: Sample project is attached

1. Create a material,
2. Set its domain to UserInterface,
3. Set "Final Color" to a constant vector 3 of (0, 0, 0).
4. Create a new HUD blueprint.
5. Add "Event Receive DrawHUD" to the event graph
6. Create a "Draw Material Simple" node that draws the material at (0, 0) with a size of (32, 32).
7. Create a new widget blueprint.
8. Add an Image to the Canvas Panel (Not in the upper left corner)
9. Set the image's brush to that of the material that was created
10. Create a new GameMode
11. Set its HUD to the HUD created above
12. Go to the level blueprint, and add the widget blueprint that was created to the viewport
13. Save all
14. Set game mode the game mode that was created
15. Run in PIE
16. Notice the widget shows up
17. Run Standalone
18. Notice that the widget is gone

Why do UMG Widgets Flicker on iOS/Why are pictures blurry on iOS?