fix(curriculum): fix fade in on first audioplay (#57758)

client/src/templates/Challenges/components/scene/scene.tsx

@@ -49,8 +49,10 @@ export function Scene({
     const { current } = audioRef;
 
     if (current) {
+      current.volume = 1;
       current.addEventListener('canplaythrough', audioLoaded);
       current.src = `${sounds}/${audio.filename}${audioTimestamp}`;
+      current.preload = 'auto';
       current.load();
     }