3D object disappears on save or creating a new project

Steps to reproduce it

Scenario #1

1. Create a new project
2. Add any 3D object; a cube in this case.
3. Save the project and you will notice that the cube disappears, only its grid will be visible if selected.

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Scenario #2

1. Create a new project and you will notice that cubeModel object doesn't render, only its grid will be visible if selected.