Description
Following up on #667, we should make models expandable in the asset browser, so that any embedded material or texture can be previewed.
These embedded asset would have their contextual menu reduced to only "read-only" actions:
| Texture |
Material |
 |
 |
The material editor should still be available for embedded material, but should be presented in a read-only state. Again, similar to Unity, where everything is grayed out (should be implemented first as part of #690):

Description
Following up on #667, we should make models expandable in the asset browser, so that any embedded material or texture can be previewed.
These embedded asset would have their contextual menu reduced to only "read-only" actions:
The material editor should still be available for embedded material, but should be presented in a read-only state. Again, similar to Unity, where everything is grayed out (should be implemented first as part of #690):