[REVERT AFTER RELEASE]  HA, Murano and Ceph  disabling

As HA, Murano and Ceph do not work in tech-preview-4.0 version,
we disable them on UI for this techpreview release (grey them out, not remove from UI)

Edited templates

Change-Id: Ib7a85996168b841b1ab51abe149f6416b99d620f
Closes-Bug: "1250373 "