Sneaking 1.5 Block Gap And Going To Third Person Screen Will Go Black [Only If You Turn On 1.5 Block Beta Feature]

Pretty Much If You Have The Sneaking 1.5 Block Beta Feature Open, And You Try To Go Into It, I Was Fine For The First Person Perspective, But When You Go To Third Person, The Screen Will Gone Black, Below Is A Link To The Video.

Link: https://forwardkey-my.sharepoint.com/:v:/g/personal/key_forwardkey_onmicrosoft_com/ESTYC5PDZ1lKr8aq438BoL8B8lwCN6uHhWJaFURvOVsozA?e=MPiGqS