story #7296: Reindex children when parent's perms are modified

Change-Id: I74a313dd01aab8fe597d415eef6afa81cc14640d
Merge commit 'refs/changes/35/2835/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  story #7296: Reindex children when parent's perms are modified

Change-Id: I989bcfe4425c841c1e7b9bda62c7d43eb223141c
Tuleap 7.3.99.24

Change-Id: I36a4f6ad1ef274df2c5e7ca4b7ea7693c5f8d147