packet-mq: Use value_string_ext  for big value string. more struct dissected

Use of value_string_ext for big value_strign array, sort them, to force use the btree search
parse more integer value with value_string

Bug: 9367
Change-Id: I49625cf2d46e0974cddde2c7b1767cb7d06ec47d
Reviewed-on: https://code.wireshark.org/review/5037
Petri-Dish: Bill Meier <wmeier@newsguy.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Bill Meier <wmeier@newsguy.com>