Try with brave and or in minimal dispVM with
sudo dnf install pulseaudio pulseaudio-qubes qubes-audio-daemon qubes-core-agent-networking qubes-split-browser-disp tinyproxy --allowerasing
installed in its template (or in any other browser’s template, if you prefer)
then
sudo dnf config-manager --add-repo https://brave-browser-rpm-release.s3.brave.com/x86_64/\
export http_proxy=http://127.0.0.1:8082
export https_proxy=https://127.0.0.1:8082
sudo rpm --import https://brave-browser-rpm-release.s3.brave.com/brave-core.asc ILI
sudo curl --proxy localhost:8082 https://brave-browser-rpm-release.s3.brave.com/brave-core.asc > brave-core.asc
sudo rpm --import ./brave-core.asc
sudo dnf update
sudo dnf upgrade --refresh
sudo dnf install brave-browser