"Bubble up" the use of pinfo->circuit_id and pinfo->ctype to make it more obvious where in used in hopes that it can be eliminated through passing dissector data (or methods other than using packet_info)

Change-Id: Ib0e7efc123a3f9c06f58b5579c3c25b18818205c
Reviewed-on: https://code.wireshark.org/review/5326
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>