[Video] set audio category to ambient every time a new player is made (#4934)

* set auto category to ambient every time a new player is made

* mute on foregrounding

* remember previous state

---------

Co-authored-by: Samuel Newman <10959775+mozzius@users.noreply.github.com>
Co-authored-by: Hailey <me@haileyok.com>

src/view/com/composer/videos/VideoPreview.tsx

@@ -16,8 +16,8 @@ export function VideoPreview({
 }) {
   const player = useVideoPlayer(video.uri, player => {
     player.loop = true
+    player.muted = true
     player.play()
-    player.volume = 0
   })
 
   return (