Steps to reproduce:
Using the Firefox version of Tampermonkey (4.13.6136), when a page loads and the extensions runs to inject a script, the following error occurs and the script is not injected
TypeError: window.cloneInto is not a function. (In 'window.cloneInto(e,document.defaultView)', 'window.cloneInto' is undefined)
Expected behavior:
Tampermonkey is able to inject scripts successfully
Orion and macOS:
Orion: version 0.99.1099.1-beta
macOS: 12.1
