Fix output when updating storage schema

(cherry picked from commit 264724056b03cd7f44b39d916ebaa11d92cf3dfd)
Signed-off-by: Libor Zoubek <lzoubek@redhat.com>
Bug 1074633 - RFE: Manage storage node snapshots

Improve UX - disable several fields in Cluster Settings based on other
field's selection when not relevant.

(cherry picked from commit 1c43d4db43f575c22ecf37d3bdb67e4ae449b613)
Signed-off-by: Libor Zoubek <lzoubek@redhat.com>