Add "close other tabs" function

[ale82to]

please add "close other tabs" to long press tab switcher, smartcookieweb (based on fenix) already have this feature just like many other browsers (Samsung internet, yandex Browser).

┆Issue is synchronized with this Jira Task

[ppvnf]

duplicate of #17592 and #20128

[csadilek]

Moved to bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=1812834

Change performed by the Move to Bugzilla add-on.