Materials Draw through a HUD blueprint do not update when collections Parameter are used

Materials applied via HUD do not appear to update when collection parameters are changed for the applied material

1. Download the attached project
2. Open the attached project
3. Play In Editor
4. Click into the view port to make sure it has focus
5. Press the 1 key and then the 2 Key (This will change the colors of the line in the background)

Result: The material that has been applied to the screen via the HUD does not change colors when the collection parameter is changed
Expected: The material that is applied to the screen via the HUD would be updated when the collection parameter is changed