Material texture shown for base state in 2D/3D/Material Editor views after adding it in another state

Steps to reproduce:

1. Create a new general empty project
2. Add QtQuick3D
3. Import an image file
4. Add View3D to rectangle in Navigator
5. Select state "clicked"
6. Drag and drop image from Assets to Diffuse map in Material Editor
7. -> 2D&3D Editors and Material preview shown correctly as expected
8. Choose Base State
9. -> Thumbnail in states shows cube correctly but 2D&3D Editors and Material preview show the texture
10. Click "Reset view"
11. -> Editors and material preview image is now shown correctly in base state