Fix building nodes panel for zuul launchers
Fix building nodes panel for zuul launchers

We will never have manager nodes that are set to building, because
zuul-launcher does not work that way.  Switch back to target for
building.

Change-Id: I20f841473987b5099b7869ae69a4ce3cca696e71
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

dongwenjuan/project-config,openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config,dongwenjuan/project-config,Tesora/tesora-project-config