fixed KT, MR, UL MDBNet transparency by using OBJImport AVVR window

...oScenes/Subjective-Evaluation-Scenes/KT_NoVR MDBNet.unity

...oScenes/Subjective-Evaluation-Scenes/KT_demo MDBNet.asset

...oScenes/Subjective-Evaluation-Scenes/KT_demo MDBNet.unity

...udioScenes/Subjective-Evaluation-Scenes/KT_lidar_VR.unity

...oScenes/Subjective-Evaluation-Scenes/MR_demo MDBNet.asset

...oScenes/Subjective-Evaluation-Scenes/MR_demo MDBNet.unity

...oScenes/Subjective-Evaluation-Scenes/MR_noVR MDBNet.unity

...oScenes/Subjective-Evaluation-Scenes/UL_demo MDBNet.asset

...oScenes/Subjective-Evaluation-Scenes/UL_demo MDBNet.unity

...oScenes/Subjective-Evaluation-Scenes/UL_noVR MDBNet.unity

AVVR/Assets/_Scripts/RoomWrapperGenerator.cs

AVVR/ProjectSettings/ProjectSettings.asset