Fix parsing the camera upVector from serialization
Fix parsing the camera upVector from serialization

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