This is the original Homeassistant frontend 0.105.1 added popup menu feature for MQTT switch.
https://github.com/au190/au190_homeassistant_frontend
1. Download the hass_frontend.zip
2. Unpack
sudo -u homeassistant mv /srv/homeassistant/lib/python3.7/site-packages/hass_frontend /srv/homeassistant/lib/python3.7/site-packages/hass_frontend_1
sudo -u homeassistant rm -r /srv/homeassistant/lib/python3.7/site-packages/hass_frontend
sudo -u homeassistant cp -r /home/new_frontend_location /srv/homeassistant/lib/python3.7/site-packages