Fix getting the right sampler descriptor from the texture
Fix getting the right sampler descriptor from the texture

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