tasks #7481: Allow granted users to fetch info about all users

This is part of story #7322: retrieve user membership from master

Change-Id: Iecf1c8f18c838d3a37bab6a202df4f14ba804998
Merge commit 'refs/changes/59/3059/4' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #7481: Allow granted users to fetch info about all users

Change-Id: Ie8e0803c0c92a2465253592763f2949e01872537
Tuleap 7.5.99.21

Change-Id: Ieaee2c305694eb9e48d5334c958d5e4982eaf20d