[Bug] Spatial audio positioned incorrectly

[MinePlayersPE]

Describe the bug Some videos (specifically ones with spatial audio) have their audio "placed" incorrectly.

Steps to Reproduce

1. Go to https://yewtu.be/watch?v=jIxQXGTl_mo&listen=1
2. Play the video, switching to the highest bitrate audio on the quality selector
3. Notice that the voice is only coming from the left, whereas in YouTube the voice is centered

Additional context

• Browser (if applicable): Edge Chromium 93.0.961.38 , also happens on Firefox 91.0.2
• OS (if applicable): Windows 10 Home 21H1

[SamantazFox]

Note: that's likely caused by audio streams with more than two channels.