Per checking with mconley from upstream, the aforementioned https://bugzilla.mozilla.org/1818237 was for addressing the use-case of allowing a Firefox snap installation to import bookmarks from a Chromium snap installation, and that work indeed landed in Firefox 120.
They've now opened a new bug https://bugzilla.mozilla.org/1903343 about adding support for importing bookmarks from Chrome (and other browsers) that are not installed as snaps when Firefox is installed as a snap.
Per checking with mconley from upstream, the aforementioned https:/ /bugzilla. mozilla. org/1818237 was for addressing the use-case of allowing a Firefox snap installation to import bookmarks from a Chromium snap installation, and that work indeed landed in Firefox 120.
They've now opened a new bug https:/ /bugzilla. mozilla. org/1903343 about adding support for importing bookmarks from Chrome (and other browsers) that are not installed as snaps when Firefox is installed as a snap.