Permissions are saved on artifact indexation

This task is part of story #7456 Index artifact permissions

Change-Id: If52ae4c2b20f2743342e768044a40e55bca22e3b
Merge commit 'refs/changes/87/3087/4' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Permissions are saved on artifact indexation

Change-Id: I288b7bc7e6267cbf16203e648ccfd8fc22c54b7a
Tuleap 7.5.99.34

Change-Id: Icc52393746d4f1e8cc67546e00ba188e85008659