Fix request #7504: No ability to make search in mediawiki compatibility mode

Change-Id: Ia1af1e9b7da1f8986e621cac9b7dd3eccf76e486
Merge commit 'refs/changes/91/3091/2' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #7504: No ability to make search in mediawiki compatibility mode
This is Tuleap 7.5.99.43

Change-Id: Ibf269f45f801fafd4799fde7f96f49f38817dd6c