tasks #6986: infinite scroll on search results

Change-Id: I177e19672e687d9c0246e4d216a1fb66359fbf58
Merge commit 'refs/changes/36/2636/7' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #6986: infinite scroll on search results

Change-Id: I5fc985e8f56e353080f7984e13130fcfddeb02c0
This is Tuleap 7.1.99.37

Change-Id: Ied7059323a12eed05d79d2b04e51e57e9c7a8536