Is it ok I’m getting notification about “Facebook Container” add-on when my Facebook is already running in a container using " Firefox Multi-Account Containers" add-on? Because in the description of “Facebook Container” add-on I can see this note: NOTE: If you are a Multi-Account Containers user who has already assigned Facebook to a Container, this extension will not work. In an effort to preserve your existing Container set up and logins, this add-on will not include the additional protec...