tasks #6953: Warnings on submit about list fields

These warning were due to workflow. In this case, we don't
want to deal with it, so we disable this workflow during
artifact XML import (currently used in tv3 -> tv5 and artifact copy)

Change-Id: I05bdb89aa91acd5aa348e0a1f33ff1c09694d49f
tasks #6921: artifact copy deals with open list

* TV3 modifs
* Copy artifact w/o modifs
* Copy artifact with modifs

Change-Id: I8fe02c75d30f5ce101c655559b0fef275329079b
Merge commit 'refs/changes/08/2508/2' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #6953: Warnings on submit about list fields
This is Tuleap 7.1.99.5

Change-Id: I84200cc20031deacd09f904b426302e36c8a614d
Merge commit 'refs/changes/33/2533/2' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #6921: artifact copy deals with open list
This is Tuleap 7.1.99.6

Change-Id: Id175c5d5499db72b61415f3ff7171b01be5a8749