Steps to reproduce:
Install Firefox' Multi Account Containers adding: https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/
Create Container. See that Containers sadly don't work. Uninstall add-on. But the right click menu still has an entry.
Expected behavior:
Clean right click menu.
Orion and macOS:
0.99.107-beta (WebKit 613.1.3) on Mojave
Image/Video:
