remove XR Frame observable and fix formatting. add rotation speed multiplier when not following viewer pose.
remove XR Frame observable and fix formatting.
add rotation speed multiplier when not following viewer pose.

BabylonJS/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js,RaananW/Babylon.js