safe default resources ( and no more assetdatabase asserts) (#100)#151

julienf-unity merged 2 commits into8.x.x/releaseUnity-Technologies/Graphics:8.x.x/releasefrom

8.x.x/vfx/feature/safe-default-resourcesUnity-Technologies/Graphics:8.x.x/vfx/feature/safe-default-resourcesCopy head branch name to clipboard