Installing the UGREEN BE6500 WiFi 7 USB Dongle on Arch Linux

I had a problem where the integrated WiFi 7 adapter on my MSI motherboard would randomly just… disappear… from the system. As in, completely drop off the PCI bus and not show up again until I’d completed a couple of rounds of clearing the CMOS, and even then, it was a bit temperamental as to how many times I’d need to go through the dance. Annoyingly there was no rhyme or reason as to when this…