FYI I bought this cable for £15 and works fine for me and gets a high score in the Oculus cable tester
Note its a kindof standard thickness whereas the official one I have heard is much thinner/lighter, this isn’t a problem for me as I use virtual desktop or air link for anything roomscale anyway.
https://www.amazon.co.uk/Oculus-dethinton-Transfer-Charging-Compatible/dp/B08799W7QF?th=1