Toggling that Wifi power saving option in the Garuda Network app is unlikely to be all you need with your adapter. Your adapter often needs power saving to be disabled directly in its driver options or sometimes a kernel boot parameter.
I apologize, I forgot the driver install info in my last post so I have edited it in now. The post I copied most of that info from the user had already installed the driver from the Chaotic AUR. Hopefully the full instructions above should get now get your adapter working.