Removed RenderObjects being rendered in preview windows.
Render Objects will no longer be rendered for preview windows
Skip render objects for preview cameras
Reproduction steps:
1. Open the attached “URP_blank.zip” project
2. Click on the "M_Transparent" material and open its material preview
3. Go to URP-Balanced-Renderer settings ( Assets > Settings > URP-Balanced-Renderer )
4. Disable the second 'RenderObjects (Render Objects)' feature
5. Repeat 2nd step
Expected results: The material preview both times remains the same color
Actual result: When the RenderObjects feature is enabled, the material preview color is affected