Add some precision to the doc of onMeshLoaded callback / observable (#8743)
Add some precision to the doc of onMeshLoaded callback / observable (#8743)


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