When copy / pasting links Android 13 system notifications are overlapping the snackbars

[mcarare]

Originally reported in the Focus repo, but it also affects Fenix.

The proposal would be to show confirmation snackbars only below Android 13. This change should be validated by UX / Product ?!

cc: @kbrosnan

┆Issue is synchronized with this Jira Task

[gabrielluong]

Moved to bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1796355

Change performed by the Move to Bugzilla add-on.