
Recent devstack change [1] made Horizon be installed at later point than it was. It is inconsistent with our Devstack plugin that now installs Manila UI earlier than Horizon. So, postpone installation of Manila UI until Horizon exists and fix gates by this action. [1] I8bf2ceaf7734c4f7cec68bc05d7cdbae81ef311e Change-Id: Icb2fc77235cb7f6ec4349dacddf262c3e3be76c2 Closes-Bug: #1532300