tasks #7051: fix full text search is not an option when going to /search directly

Change-Id: Ide680851fb0ff0aea069b47d6d8d138e593f7a5c
Merge commit 'refs/changes/39/2639/5' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #7051: fix full text search is not an option when going to /search directly
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