Upgrade Video.js core to v7.18.0 from v5.10.7
Upgrade Dash.js to v4.2.8 from v2.6.3
Upgrade videojs-contrib-dash to v5.1.1 from v2.9.1
Modify videojs-resolution-switcher
By using an iframe we can take advantage of the referrer meta tag,
while still being able to scaffold everything relatively easily because it's same-origin