Qt: Add name resolution menu items.

Change the text from "Enable for" to "Resolve". Make the tooltips more
descriptive. List them in OSI model order.

Change-Id: Ie671ba9d55c609ce475f1681add0ad7d975f19cd
Reviewed-on: https://code.wireshark.org/review/5737
Reviewed-by: Gerald Combs <gerald@wireshark.org>