Use specific menus for mailto: and xmpp:
problem
Gajim does not show appropriate menus for mailto: and xmpp:.
analysis
Right-click on mailto:user@gajim.org Copy JID/Email Address.
Right-click on xmpp:user@gajim.org Copy Link Location.
enhancement recommendation
Right-click on mailto:user@gajim.org Copy Email Address.
Right-click on xmpp:user@gajim.org Copy JID Address.