Fix request #7053:  Issue with field attachment required

Change-Id: Ic58632f575cfd3effa651ea913cb045faaa74ce5
Merge commit 'refs/changes/69/2769/2' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #7053:  Issue with field attachment required

Change-Id: Ic773ee09a6734e59022a6bb76f00cade8e71eefb
This is Tuleap 7.2.99.50

Change-Id: Ib001c7870d3f1d79ab5f5d6387d523d888701e4c