Clean: Fixing depr warnings in Third Party/VertexToolsPro - Adapted uncompressed texture pixel access, TextureImporterFormat -> TextureImporterCompression - SceneView.onSceneGUIDelegate -> duringSceneGui Holy guacamoly, it's there's no more deprecation warnings. Now to double check previous compression conversions, as I think I missed alpha channel handling in a couple places. Tests: none, trivial changes