Are your sys-net is disp ? if not try this,
sudo dnf -y update
sudo dnf -y install git dkms kernel-devel kernel-debug-devel
mkdir ~/rtl
cd ~/rtl
git clone https://github.com/morrownr/8812au.git
cd ~/rtl/8812au
sudo ./install-driver.sh [NoPrompt]
if networking still not work, set sys-net kernel to none in qubes settings,
if your sys-net is not disp vm, then install in template.