browser.newtabpage.activity-stream.feeds.places causes about:home links to not work when clicked

> This preference when set to false will cause the about:home pinned shortcuts and links to not work when clicked. Firefox will not change this to true when the user change the Homepage Content via the Settings UI. > > > > Also, this setting is not found in any source code or documentation of Firefox. Can you explain more on how it works or provide us with more literature? _Originally posted by @jasongodev in [6b7c68d](https://github.com/celenityy/Phoenix/commit/6b7c68d975fc08db9e63d5ea0b5dcd4684041812#r153510073)_