reset playback rate on exit fullscreen (#5116)

src/view/com/util/post-embeds/VideoEmbedInner/VideoEmbedInnerNative.tsx

@@ -59,6 +59,7 @@ export function VideoEmbedInnerNative({
           PlatformInfo.setAudioCategory(AudioCategory.Ambient)
           PlatformInfo.setAudioActive(false)
           player.muted = true
+          player.playbackRate = 1
           if (!player.playing) {
             player.play()
           }